388112275575

素因数分解:

$3^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{293}}^1\times {\mathrm{21101}}^1$

素因数の和:21447

約数の個数: 120

約数和(自身を含む): 744677087616

約数和(自身を除く): 356564812041

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 81, 93, 135, 155, 225, 279, 293, 405, 465, 675, 775, 837, 879, 1395, 1465, 2025, 2325, 2511, 2637, 4185, 4395, 6975, 7325, 7911, 9083, 12555, 13185, 20925, 21101, 21975, 23733, 27249, 39555, 45415, 62775, 63303, 65925, 81747, 105505, 118665, 136245, 189909, 197775, 227075, 245241, 316515, 408735, 527525, 569727, 593325, 654131, 681225, 735723, 949545, 1226205, 1582575, 1709181, 1962393, 2043675, 2848635, 3270655, 3678615, 4747725, 5887179, 6131025, 6182593, 8545905, 9811965, 14243175, 16353275, 17661537, 18393075, 18547779, 29435895, 30912965, 42729525, 49059825, 52984611, 55643337, 88307685, 92738895, 147179475, 154564825, 166930011, 191660383, 264923055, 278216685, 441538425, 463694475, 500790033, 574981149, 834650055, 958301915, 1324615275, 1391083425, 1724943447, 2503950165, 2874905745, 4173250275, 4791509575, 5174830341, 8624717235, 12519750825, 14374528725, 15524491023, 25874151705, 43123586175, 77622455115, 129370758525, 388112275575]

約数ペア:

[(1, 388112275575), (3, 129370758525), (5, 77622455115), (9, 43123586175), (15, 25874151705), (25, 15524491023), (27, 14374528725), (31, 12519750825), (45, 8624717235), (75, 5174830341), (81, 4791509575), (93, 4173250275), (135, 2874905745), (155, 2503950165), (225, 1724943447), (279, 1391083425), (293, 1324615275), (405, 958301915), (465, 834650055), (675, 574981149), (775, 500790033), (837, 463694475), (879, 441538425), (1395, 278216685), (1465, 264923055), (2025, 191660383), (2325, 166930011), (2511, 154564825), (2637, 147179475), (4185, 92738895), (4395, 88307685), (6975, 55643337), (7325, 52984611), (7911, 49059825), (9083, 42729525), (12555, 30912965), (13185, 29435895), (20925, 18547779), (21101, 18393075), (21975, 17661537), (23733, 16353275), (27249, 14243175), (39555, 9811965), (45415, 8545905), (62775, 6182593), (63303, 6131025), (65925, 5887179), (81747, 4747725), (105505, 3678615), (118665, 3270655), (136245, 2848635), (189909, 2043675), (197775, 1962393), (227075, 1709181), (245241, 1582575), (316515, 1226205), (408735, 949545), (527525, 735723), (569727, 681225), (593325, 654131)]