15104721

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 22671360

約数和(自身を除く): 7566639

約数列:

[1, 3, 17, 23, 51, 69, 79, 163, 237, 391, 489, 1173, 1343, 1817, 2771, 3749, 4029, 5451, 8313, 11247, 12877, 30889, 38631, 63733, 92667, 191199, 218909, 296171, 656727, 888513, 5034907, 15104721]

約数ペア:

[(1, 15104721), (3, 5034907), (17, 888513), (23, 656727), (51, 296171), (69, 218909), (79, 191199), (163, 92667), (237, 63733), (391, 38631), (489, 30889), (1173, 12877), (1343, 11247), (1817, 8313), (2771, 5451), (3749, 4029)]