39818259

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:636

約数の個数: 36

約数和(自身を含む): 63719136

約数和(自身を除く): 23900877

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 169, 423, 507, 557, 611, 1521, 1671, 1833, 5013, 5499, 7241, 7943, 21723, 23829, 26179, 65169, 71487, 78537, 94133, 235611, 282399, 340327, 847197, 1020981, 3062943, 4424251, 13272753, 39818259]

約数ペア:

[(1, 39818259), (3, 13272753), (9, 4424251), (13, 3062943), (39, 1020981), (47, 847197), (117, 340327), (141, 282399), (169, 235611), (423, 94133), (507, 78537), (557, 71487), (611, 65169), (1521, 26179), (1671, 23829), (1833, 21723), (5013, 7943), (5499, 7241)]