258089727

素因数分解:

$3^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{19477}}^1$

素因数の和:20118

約数の個数: 16

約数和(自身を含む): 393923072

約数和(自身を除く): 135833345

約数列:

[1, 3, 7, 21, 631, 1893, 4417, 13251, 19477, 58431, 136339, 409017, 12289987, 36869961, 86029909, 258089727]

約数ペア:

[(1, 258089727), (3, 86029909), (7, 36869961), (21, 12289987), (631, 409017), (1893, 136339), (4417, 58431), (13251, 19477)]