215863921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{6571}}^1$

素因数の和:6629

約数の個数: 24

約数和(自身を含む): 280440384

約数和(自身を除く): 64576463

約数列:

[1, 7, 13, 19, 91, 133, 247, 361, 1729, 2527, 4693, 6571, 32851, 45997, 85423, 124849, 597961, 873943, 1623037, 2372131, 11361259, 16604917, 30837703, 215863921]

約数ペア:

[(1, 215863921), (7, 30837703), (13, 16604917), (19, 11361259), (91, 2372131), (133, 1623037), (247, 873943), (361, 597961), (1729, 124849), (2527, 85423), (4693, 45997), (6571, 32851)]