18040069341

素因数分解:

$3^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{421}}^1\times {\mathrm{1663}}^1$

素因数の和:2506

約数の個数: 48

約数和(自身を含む): 29942149120

約数和(自身を除く): 11902079779

約数列:

[1, 3, 7, 9, 21, 63, 409, 421, 1227, 1263, 1663, 2863, 2947, 3681, 3789, 4989, 8589, 8841, 11641, 14967, 25767, 26523, 34923, 104769, 172189, 516567, 680167, 700123, 1205323, 1549701, 2040501, 2100369, 3615969, 4761169, 4900861, 6121503, 6301107, 10847907, 14283507, 14702583, 42850521, 44107749, 286350307, 859050921, 2004452149, 2577152763, 6013356447, 18040069341]

約数ペア:

[(1, 18040069341), (3, 6013356447), (7, 2577152763), (9, 2004452149), (21, 859050921), (63, 286350307), (409, 44107749), (421, 42850521), (1227, 14702583), (1263, 14283507), (1663, 10847907), (2863, 6301107), (2947, 6121503), (3681, 4900861), (3789, 4761169), (4989, 3615969), (8589, 2100369), (8841, 2040501), (11641, 1549701), (14967, 1205323), (25767, 700123), (26523, 680167), (34923, 516567), (104769, 172189)]