72041775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1997}}^1$

素因数の和:2060

約数の個数: 48

約数和(自身を含む): 131804064

約数和(自身を除く): 59762289

約数列:

[1, 3, 5, 13, 15, 25, 37, 39, 65, 75, 111, 185, 195, 325, 481, 555, 925, 975, 1443, 1997, 2405, 2775, 5991, 7215, 9985, 12025, 25961, 29955, 36075, 49925, 73889, 77883, 129805, 149775, 221667, 369445, 389415, 649025, 960557, 1108335, 1847225, 1947075, 2881671, 4802785, 5541675, 14408355, 24013925, 72041775]

約数ペア:

[(1, 72041775), (3, 24013925), (5, 14408355), (13, 5541675), (15, 4802785), (25, 2881671), (37, 1947075), (39, 1847225), (65, 1108335), (75, 960557), (111, 649025), (185, 389415), (195, 369445), (325, 221667), (481, 149775), (555, 129805), (925, 77883), (975, 73889), (1443, 49925), (1997, 36075), (2405, 29955), (2775, 25961), (5991, 12025), (7215, 9985)]