647466627

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{52807}}^1$

素因数の和:52938

約数の個数: 16

約数和(自身を含む): 890554112

約数和(自身を除く): 243087485

約数列:

[1, 3, 61, 67, 183, 201, 4087, 12261, 52807, 158421, 3221227, 3538069, 9663681, 10614207, 215822209, 647466627]

約数ペア:

[(1, 647466627), (3, 215822209), (61, 10614207), (67, 9663681), (183, 3538069), (201, 3221227), (4087, 158421), (12261, 52807)]