15664030557

素因数分解:

$3^1\times 7^2\times {\mathrm{439}}^1\times {\mathrm{242729}}^1$

素因数の和:243185

約数の個数: 24

約数和(自身を含む): 24350673600

約数和(自身を除く): 8686643043

約数列:

[1, 3, 7, 21, 49, 147, 439, 1317, 3073, 9219, 21511, 64533, 242729, 728187, 1699103, 5097309, 11893721, 35681163, 106558031, 319674093, 745906217, 2237718651, 5221343519, 15664030557]

約数ペア:

[(1, 15664030557), (3, 5221343519), (7, 2237718651), (21, 745906217), (49, 319674093), (147, 106558031), (439, 35681163), (1317, 11893721), (3073, 5097309), (9219, 1699103), (21511, 728187), (64533, 242729)]