393435

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{1249}}^1$

素因数の和:1267

約数の個数: 24

約数和(自身を含む): 780000

約数和(自身を除く): 386565

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 1249, 3747, 6245, 8743, 11241, 18735, 26229, 43715, 56205, 78687, 131145, 393435]

約数ペア:

[(1, 393435), (3, 131145), (5, 78687), (7, 56205), (9, 43715), (15, 26229), (21, 18735), (35, 11241), (45, 8743), (63, 6245), (105, 3747), (315, 1249)]