1385521281

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{123059}}^1$

素因数の和:123210

約数の個数: 20

約数和(自身を含む): 2084636400

約数和(自身を除く): 699115119

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 3753, 11259, 123059, 369177, 1107531, 3322593, 9967779, 17105201, 51315603, 153946809, 461840427, 1385521281]

約数ペア:

[(1, 1385521281), (3, 461840427), (9, 153946809), (27, 51315603), (81, 17105201), (139, 9967779), (417, 3322593), (1251, 1107531), (3753, 369177), (11259, 123059)]