81161658

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{145451}}^1$

素因数の和:145490

約数の個数: 24

約数和(自身を含む): 181524096

約数和(自身を除く): 100362438

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 145451, 290902, 436353, 872706, 1309059, 2618118, 4508981, 9017962, 13526943, 27053886, 40580829, 81161658]

約数ペア:

[(1, 81161658), (2, 40580829), (3, 27053886), (6, 13526943), (9, 9017962), (18, 4508981), (31, 2618118), (62, 1309059), (93, 872706), (186, 436353), (279, 290902), (558, 145451)]