251018109

素因数分解:

$3^4\times {\mathrm{1367}}^1\times {\mathrm{2267}}^1$

素因数の和:3646

約数の個数: 20

約数和(自身を含む): 375417504

約数和(自身を除く): 124399395

約数列:

[1, 3, 9, 27, 81, 1367, 2267, 4101, 6801, 12303, 20403, 36909, 61209, 110727, 183627, 3098989, 9296967, 27890901, 83672703, 251018109]

約数ペア:

[(1, 251018109), (3, 83672703), (9, 27890901), (27, 9296967), (81, 3098989), (1367, 183627), (2267, 110727), (4101, 61209), (6801, 36909), (12303, 20403)]