8402859

素因数分解:

$3^4\times {\mathrm{227}}^1\times {\mathrm{457}}^1$

素因数の和:696

約数の個数: 20

約数和(自身を含む): 12635304

約数和(自身を除く): 4232445

約数列:

[1, 3, 9, 27, 81, 227, 457, 681, 1371, 2043, 4113, 6129, 12339, 18387, 37017, 103739, 311217, 933651, 2800953, 8402859]

約数ペア:

[(1, 8402859), (3, 2800953), (9, 933651), (27, 311217), (81, 103739), (227, 37017), (457, 18387), (681, 12339), (1371, 6129), (2043, 4113)]