664229565

素因数分解:

$3^5\times 5^1\times {\mathrm{546691}}^1$

素因数の和:546711

約数の個数: 24

約数和(自身を含む): 1193975328

約数和(自身を除く): 529745763

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 546691, 1640073, 2733455, 4920219, 8200365, 14760657, 24601095, 44281971, 73803285, 132845913, 221409855, 664229565]

約数ペア:

[(1, 664229565), (3, 221409855), (5, 132845913), (9, 73803285), (15, 44281971), (27, 24601095), (45, 14760657), (81, 8200365), (135, 4920219), (243, 2733455), (405, 1640073), (1215, 546691)]