11997585

素因数分解:

$3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{491}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 21490560

約数和(自身を除く): 9492975

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 181, 491, 543, 905, 1473, 1629, 2455, 2715, 4419, 4887, 7365, 8145, 13257, 22095, 24435, 66285, 88871, 266613, 444355, 799839, 1333065, 2399517, 3999195, 11997585]

約数ペア:

[(1, 11997585), (3, 3999195), (5, 2399517), (9, 1333065), (15, 799839), (27, 444355), (45, 266613), (135, 88871), (181, 66285), (491, 24435), (543, 22095), (905, 13257), (1473, 8145), (1629, 7365), (2455, 4887), (2715, 4419)]