9907947

素因数分解:

$3^3\times 7^2\times {\mathrm{7489}}^1$

素因数の和:7512

約数の個数: 24

約数和(自身を含む): 17077200

約数和(自身を除く): 7169253

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 7489, 22467, 52423, 67401, 157269, 202203, 366961, 471807, 1100883, 1415421, 3302649, 9907947]

約数ペア:

[(1, 9907947), (3, 3302649), (7, 1415421), (9, 1100883), (21, 471807), (27, 366961), (49, 202203), (63, 157269), (147, 67401), (189, 52423), (441, 22467), (1323, 7489)]