12986985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2539}}^1$

素因数の和:2589

約数の個数: 32

約数和(自身を含む): 23408640

約数和(自身を除く): 10421655

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 155, 165, 341, 465, 1023, 1705, 2539, 5115, 7617, 12695, 27929, 38085, 78709, 83787, 139645, 236127, 393545, 418935, 865799, 1180635, 2597397, 4328995, 12986985]

約数ペア:

[(1, 12986985), (3, 4328995), (5, 2597397), (11, 1180635), (15, 865799), (31, 418935), (33, 393545), (55, 236127), (93, 139645), (155, 83787), (165, 78709), (341, 38085), (465, 27929), (1023, 12695), (1705, 7617), (2539, 5115)]