2789969775

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 4899686400

約数和(自身を除く): 2109716625

約数列:

[1, 3, 5, 15, 25, 31, 75, 89, 93, 97, 139, 155, 267, 291, 417, 445, 465, 485, 695, 775, 1335, 1455, 2085, 2225, 2325, 2425, 2759, 3007, 3475, 4309, 6675, 7275, 8277, 8633, 9021, 10425, 12371, 12927, 13483, 13795, 15035, 21545, 25899, 37113, 40449, 41385, 43165, 45105, 61855, 64635, 67415, 68975, 75175, 107725, 129495, 185565, 202245, 206925, 215825, 225525, 267623, 309275, 323175, 337075, 383501, 417973, 647475, 802869, 927825, 1011225, 1150503, 1199987, 1253919, 1338115, 1917505, 2089865, 3599961, 4014345, 5752515, 5999935, 6269595, 6690575, 9587525, 10449325, 17999805, 20071725, 28762575, 29999675, 31347975, 37199597, 89999025, 111598791, 185997985, 557993955, 929989925, 2789969775]

約数ペア:

[(1, 2789969775), (3, 929989925), (5, 557993955), (15, 185997985), (25, 111598791), (31, 89999025), (75, 37199597), (89, 31347975), (93, 29999675), (97, 28762575), (139, 20071725), (155, 17999805), (267, 10449325), (291, 9587525), (417, 6690575), (445, 6269595), (465, 5999935), (485, 5752515), (695, 4014345), (775, 3599961), (1335, 2089865), (1455, 1917505), (2085, 1338115), (2225, 1253919), (2325, 1199987), (2425, 1150503), (2759, 1011225), (3007, 927825), (3475, 802869), (4309, 647475), (6675, 417973), (7275, 383501), (8277, 337075), (8633, 323175), (9021, 309275), (10425, 267623), (12371, 225525), (12927, 215825), (13483, 206925), (13795, 202245), (15035, 185565), (21545, 129495), (25899, 107725), (37113, 75175), (40449, 68975), (41385, 67415), (43165, 64635), (45105, 61855)]