22408281

素因数分解:

$3^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{887}}^1$

素因数の和:1301

約数の個数: 24

約数和(自身を含む): 37125504

約数和(自身を除く): 14717223

約数列:

[1, 3, 7, 9, 21, 63, 401, 887, 1203, 2661, 2807, 3609, 6209, 7983, 8421, 18627, 25263, 55881, 355687, 1067061, 2489809, 3201183, 7469427, 22408281]

約数ペア:

[(1, 22408281), (3, 7469427), (7, 3201183), (9, 2489809), (21, 1067061), (63, 355687), (401, 55881), (887, 25263), (1203, 18627), (2661, 8421), (2807, 7983), (3609, 6209)]