3945915

素因数分解:

$3^4\times 5^1\times {\mathrm{9743}}^1$

素因数の和:9760

約数の個数: 20

約数和(自身を含む): 7074144

約数和(自身を除く): 3128229

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 9743, 29229, 48715, 87687, 146145, 263061, 438435, 789183, 1315305, 3945915]

約数ペア:

[(1, 3945915), (3, 1315305), (5, 789183), (9, 438435), (15, 263061), (27, 146145), (45, 87687), (81, 48715), (135, 29229), (405, 9743)]