996821479377

素因数分解:

$3^4\times {\mathrm{18973}}^1\times {\mathrm{648629}}^1$

素因数の和:667614

約数の個数: 20

約数和(自身を含む): 1489159780020

約数和(自身を除く): 492338300643

約数列:

[1, 3, 9, 27, 81, 18973, 56919, 170757, 512271, 648629, 1536813, 1945887, 5837661, 17512983, 52538949, 12306438017, 36919314051, 110757942153, 332273826459, 996821479377]

約数ペア:

[(1, 996821479377), (3, 332273826459), (9, 110757942153), (27, 36919314051), (81, 12306438017), (18973, 52538949), (56919, 17512983), (170757, 5837661), (512271, 1945887), (648629, 1536813)]