13780845

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23557}}^1$

素因数の和:23581

約数の個数: 24

約数和(自身を含む): 25725336

約数和(自身を除く): 11944491

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 23557, 70671, 117785, 212013, 306241, 353355, 918723, 1060065, 1531205, 2756169, 4593615, 13780845]

約数ペア:

[(1, 13780845), (3, 4593615), (5, 2756169), (9, 1531205), (13, 1060065), (15, 918723), (39, 353355), (45, 306241), (65, 212013), (117, 117785), (195, 70671), (585, 23557)]