1291275585

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{263257}}^1$

素因数の和:263377

約数の個数: 24

約数和(自身を含む): 2258753640

約数和(自身を除く): 967478055

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1635, 4905, 263257, 789771, 1316285, 2369313, 3948855, 11846565, 28695013, 86085039, 143475065, 258255117, 430425195, 1291275585]

約数ペア:

[(1, 1291275585), (3, 430425195), (5, 258255117), (9, 143475065), (15, 86085039), (45, 28695013), (109, 11846565), (327, 3948855), (545, 2369313), (981, 1316285), (1635, 789771), (4905, 263257)]