64512981

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{1123}}^1$

素因数の和:1633

約数の個数: 24

約数和(自身を含む): 100647456

約数和(自身を除く): 36134475

約数列:

[1, 3, 9, 13, 39, 117, 491, 1123, 1473, 3369, 4419, 6383, 10107, 14599, 19149, 43797, 57447, 131391, 551393, 1654179, 4962537, 7168109, 21504327, 64512981]

約数ペア:

[(1, 64512981), (3, 21504327), (9, 7168109), (13, 4962537), (39, 1654179), (117, 551393), (491, 131391), (1123, 57447), (1473, 43797), (3369, 19149), (4419, 14599), (6383, 10107)]