1638857529

素因数分解:

$3^4\times {\mathrm{1129}}^1\times {\mathrm{17921}}^1$

素因数の和:19062

約数の個数: 20

約数和(自身を含む): 2450475060

約数和(自身を除く): 811617531

約数列:

[1, 3, 9, 27, 81, 1129, 3387, 10161, 17921, 30483, 53763, 91449, 161289, 483867, 1451601, 20232809, 60698427, 182095281, 546285843, 1638857529]

約数ペア:

[(1, 1638857529), (3, 546285843), (9, 182095281), (27, 60698427), (81, 20232809), (1129, 1451601), (3387, 483867), (10161, 161289), (17921, 91449), (30483, 53763)]