64521261

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{33037}}^1$

素因数の和:33081

約数の個数: 24

約数和(自身を含む): 109950464

約数和(自身を除く): 45429203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 33037, 99111, 231259, 297333, 693777, 1024147, 2081331, 3072441, 7169029, 9217323, 21507087, 64521261]

約数ペア:

[(1, 64521261), (3, 21507087), (7, 9217323), (9, 7169029), (21, 3072441), (31, 2081331), (63, 1024147), (93, 693777), (217, 297333), (279, 231259), (651, 99111), (1953, 33037)]