18393075

素因数分解:

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

素因数の和:346

約数の個数: 60

約数和(自身を含む): 35289408

約数和(自身を除く): 16896333

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, 21975, 23733, 27249, 39555, 45415, 62775, 65925, 81747, 118665, 136245, 197775, 227075, 245241, 408735, 593325, 681225, 735723, 1226205, 2043675, 3678615, 6131025, 18393075]

約数ペア:

[(1, 18393075), (3, 6131025), (5, 3678615), (9, 2043675), (15, 1226205), (25, 735723), (27, 681225), (31, 593325), (45, 408735), (75, 245241), (81, 227075), (93, 197775), (135, 136245), (155, 118665), (225, 81747), (279, 65925), (293, 62775), (405, 45415), (465, 39555), (675, 27249), (775, 23733), (837, 21975), (879, 20925), (1395, 13185), (1465, 12555), (2025, 9083), (2325, 7911), (2511, 7325), (2637, 6975), (4185, 4395)]