72149775

素因数分解:

$3^1\times 5^2\times {\mathrm{389}}^1\times {\mathrm{2473}}^1$

素因数の和:2875

約数の個数: 24

約数和(自身を含む): 119642640

約数和(自身を除く): 47492865

約数列:

[1, 3, 5, 15, 25, 75, 389, 1167, 1945, 2473, 5835, 7419, 9725, 12365, 29175, 37095, 61825, 185475, 961997, 2885991, 4809985, 14429955, 24049925, 72149775]

約数ペア:

[(1, 72149775), (3, 24049925), (5, 14429955), (15, 4809985), (25, 2885991), (75, 961997), (389, 185475), (1167, 61825), (1945, 37095), (2473, 29175), (5835, 12365), (7419, 9725)]