289301961

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{390421}}^1$

素因数の和:390456

約数の個数: 16

約数和(自身を含む): 437272640

約数和(自身を除く): 147970679

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 390421, 1171263, 5075473, 7417999, 15226419, 22253997, 96433987, 289301961]

約数ペア:

[(1, 289301961), (3, 96433987), (13, 22253997), (19, 15226419), (39, 7417999), (57, 5075473), (247, 1171263), (741, 390421)]