213801063

素因数分解:

$3^1\times 7^2\times {\mathrm{641}}^1\times {\mathrm{2269}}^1$

素因数の和:2927

約数の個数: 24

約数和(自身を含む): 332273520

約数和(自身を除く): 118472457

約数列:

[1, 3, 7, 21, 49, 147, 641, 1923, 2269, 4487, 6807, 13461, 15883, 31409, 47649, 94227, 111181, 333543, 1454429, 4363287, 10181003, 30543009, 71267021, 213801063]

約数ペア:

[(1, 213801063), (3, 71267021), (7, 30543009), (21, 10181003), (49, 4363287), (147, 1454429), (641, 333543), (1923, 111181), (2269, 94227), (4487, 47649), (6807, 31409), (13461, 15883)]