87721289

素因数分解:

${\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:548

約数の個数: 16

約数和(自身を含む): 92811264

約数和(自身を除く): 5089975

約数列:

[1, 31, 83, 103, 331, 2573, 3193, 8549, 10261, 27473, 34093, 265019, 851663, 1056883, 2829719, 87721289]

約数ペア:

[(1, 87721289), (31, 2829719), (83, 1056883), (103, 851663), (331, 265019), (2573, 34093), (3193, 27473), (8549, 10261)]