28663581

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{2137}}^1$

素因数の和:2420

約数の個数: 16

約数和(自身を含む): 40639104

約数和(自身を除く): 11975523

約数列:

[1, 3, 17, 51, 263, 789, 2137, 4471, 6411, 13413, 36329, 108987, 562031, 1686093, 9554527, 28663581]

約数ペア:

[(1, 28663581), (3, 9554527), (17, 1686093), (51, 562031), (263, 108987), (789, 36329), (2137, 13413), (4471, 6411)]