13011975

素因数分解:

$3^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{521}}^1$

素因数の和:577

約数の個数: 48

約数和(自身を含む): 24596640

約数和(自身を除く): 11584665

約数列:

[1, 3, 5, 9, 15, 25, 27, 37, 45, 75, 111, 135, 185, 225, 333, 521, 555, 675, 925, 999, 1563, 1665, 2605, 2775, 4689, 4995, 7815, 8325, 13025, 14067, 19277, 23445, 24975, 39075, 57831, 70335, 96385, 117225, 173493, 289155, 351675, 481925, 520479, 867465, 1445775, 2602395, 4337325, 13011975]

約数ペア:

[(1, 13011975), (3, 4337325), (5, 2602395), (9, 1445775), (15, 867465), (25, 520479), (27, 481925), (37, 351675), (45, 289155), (75, 173493), (111, 117225), (135, 96385), (185, 70335), (225, 57831), (333, 39075), (521, 24975), (555, 23445), (675, 19277), (925, 14067), (999, 13025), (1563, 8325), (1665, 7815), (2605, 4995), (2775, 4689)]