388636679991

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{349179407}}^1$

素因数の和:349179470

約数の個数: 16

約数和(自身を含む): 603382017024

約数和(自身を除く): 214745337033

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 349179407, 1047538221, 2444255849, 7332767547, 18506508571, 55519525713, 129545559997, 388636679991]

約数ペア:

[(1, 388636679991), (3, 129545559997), (7, 55519525713), (21, 18506508571), (53, 7332767547), (159, 2444255849), (371, 1047538221), (1113, 349179407)]