39480819

素因数分解:

$3^1\times 7^2\times {\mathrm{491}}^1\times {\mathrm{547}}^1$

素因数の和:1055

約数の個数: 24

約数和(自身を含む): 61472448

約数和(自身を除く): 21991629

約数列:

[1, 3, 7, 21, 49, 147, 491, 547, 1473, 1641, 3437, 3829, 10311, 11487, 24059, 26803, 72177, 80409, 268577, 805731, 1880039, 5640117, 13160273, 39480819]

約数ペア:

[(1, 39480819), (3, 13160273), (7, 5640117), (21, 1880039), (49, 805731), (147, 268577), (491, 80409), (547, 72177), (1473, 26803), (1641, 24059), (3437, 11487), (3829, 10311)]