644654013

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 888624000

約数和(自身を除く): 243969987

約数列:

[1, 3, 101, 109, 131, 149, 303, 327, 393, 447, 11009, 13231, 14279, 15049, 16241, 19519, 33027, 39693, 42837, 45147, 48723, 58557, 1442179, 1640341, 1971419, 2127571, 4326537, 4921023, 5914257, 6382713, 214884671, 644654013]

約数ペア:

[(1, 644654013), (3, 214884671), (101, 6382713), (109, 5914257), (131, 4921023), (149, 4326537), (303, 2127571), (327, 1971419), (393, 1640341), (447, 1442179), (11009, 58557), (13231, 48723), (14279, 45147), (15049, 42837), (16241, 39693), (19519, 33027)]