856305

素因数分解:

$3^3\times 5^1\times {\mathrm{6343}}^1$

素因数の和:6357

約数の個数: 16

約数和(自身を含む): 1522560

約数和(自身を除く): 666255

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 6343, 19029, 31715, 57087, 95145, 171261, 285435, 856305]

約数ペア:

[(1, 856305), (3, 285435), (5, 171261), (9, 95145), (15, 57087), (27, 31715), (45, 19029), (135, 6343)]