253238454

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{669943}}^1$

素因数の和:669961

約数の個数: 32

約数和(自身を含む): 643146240

約数和(自身を除く): 389907786

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 669943, 1339886, 2009829, 4019658, 4689601, 6029487, 9379202, 12058974, 14068803, 18088461, 28137606, 36176922, 42206409, 84412818, 126619227, 253238454]

約数ペア:

[(1, 253238454), (2, 126619227), (3, 84412818), (6, 42206409), (7, 36176922), (9, 28137606), (14, 18088461), (18, 14068803), (21, 12058974), (27, 9379202), (42, 6029487), (54, 4689601), (63, 4019658), (126, 2009829), (189, 1339886), (378, 669943)]