8138205

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2621}}^1$

素因数の和:2658

約数の個数: 32

約数和(自身を含む): 15102720

約数和(自身を除く): 6964515

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 2621, 3105, 7863, 13105, 23589, 39315, 60283, 70767, 117945, 180849, 301415, 353835, 542547, 904245, 1627641, 2712735, 8138205]

約数ペア:

[(1, 8138205), (3, 2712735), (5, 1627641), (9, 904245), (15, 542547), (23, 353835), (27, 301415), (45, 180849), (69, 117945), (115, 70767), (135, 60283), (207, 39315), (345, 23589), (621, 13105), (1035, 7863), (2621, 3105)]