12208545

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 22651200

約数和(自身を除く): 10442655

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 109, 131, 171, 285, 327, 393, 545, 655, 855, 981, 1179, 1635, 1965, 2071, 2489, 4905, 5895, 6213, 7467, 10355, 12445, 14279, 18639, 22401, 31065, 37335, 42837, 71395, 93195, 112005, 128511, 214185, 271301, 642555, 813903, 1356505, 2441709, 4069515, 12208545]

約数ペア:

[(1, 12208545), (3, 4069515), (5, 2441709), (9, 1356505), (15, 813903), (19, 642555), (45, 271301), (57, 214185), (95, 128511), (109, 112005), (131, 93195), (171, 71395), (285, 42837), (327, 37335), (393, 31065), (545, 22401), (655, 18639), (855, 14279), (981, 12445), (1179, 10355), (1635, 7467), (1965, 6213), (2071, 5895), (2489, 4905)]