64681635

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3989}}^1$

素因数の和:4067

約数の個数: 32

約数和(自身を含む): 110315520

約数和(自身を除く): 45633885

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 1081, 3243, 3989, 5405, 11967, 16215, 19945, 59835, 91747, 187483, 275241, 458735, 562449, 937415, 1376205, 2812245, 4312109, 12936327, 21560545, 64681635]

約数ペア:

[(1, 64681635), (3, 21560545), (5, 12936327), (15, 4312109), (23, 2812245), (47, 1376205), (69, 937415), (115, 562449), (141, 458735), (235, 275241), (345, 187483), (705, 91747), (1081, 59835), (3243, 19945), (3989, 16215), (5405, 11967)]