20161851717

素因数分解:

$3^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{389}}^1\times {\mathrm{14779}}^1$

素因数の和:15345

約数の個数: 32

約数和(自身を含む): 30988339200

約数和(自身を除く): 10826487483

約数列:

[1, 3, 7, 21, 167, 389, 501, 1167, 1169, 2723, 3507, 8169, 14779, 44337, 64963, 103453, 194889, 310359, 454741, 1364223, 2468093, 5749031, 7404279, 17247093, 17276651, 40243217, 51829953, 120729651, 960088177, 2880264531, 6720617239, 20161851717]

約数ペア:

[(1, 20161851717), (3, 6720617239), (7, 2880264531), (21, 960088177), (167, 120729651), (389, 51829953), (501, 40243217), (1167, 17276651), (1169, 17247093), (2723, 7404279), (3507, 5749031), (8169, 2468093), (14779, 1364223), (44337, 454741), (64963, 310359), (103453, 194889)]