261665403

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{45263}}^1$

素因数の和:45354

約数の個数: 16

約数和(自身を含む): 365008896

約数和(自身を除く): 103343493

約数列:

[1, 3, 41, 47, 123, 141, 1927, 5781, 45263, 135789, 1855783, 2127361, 5567349, 6382083, 87221801, 261665403]

約数ペア:

[(1, 261665403), (3, 87221801), (41, 6382083), (47, 5567349), (123, 2127361), (141, 1855783), (1927, 135789), (5781, 45263)]