78700491

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{4357}}^1$

素因数の和:4592

約数の個数: 20

約数和(自身を含む): 118119232

約数和(自身を除く): 39418741

約数列:

[1, 3, 9, 27, 81, 223, 669, 2007, 4357, 6021, 13071, 18063, 39213, 117639, 352917, 971611, 2914833, 8744499, 26233497, 78700491]

約数ペア:

[(1, 78700491), (3, 26233497), (9, 8744499), (27, 2914833), (81, 971611), (223, 352917), (669, 117639), (2007, 39213), (4357, 18063), (6021, 13071)]