208022913

素因数分解:

$3^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{14419}}^1$

素因数の和:14661

約数の個数: 24

約数和(自身を含む): 344926400

約数和(自身を除く): 136903487

約数列:

[1, 3, 7, 9, 21, 63, 229, 687, 1603, 2061, 4809, 14419, 14427, 43257, 100933, 129771, 302799, 908397, 3301951, 9905853, 23113657, 29717559, 69340971, 208022913]

約数ペア:

[(1, 208022913), (3, 69340971), (7, 29717559), (9, 23113657), (21, 9905853), (63, 3301951), (229, 908397), (687, 302799), (1603, 129771), (2061, 100933), (4809, 43257), (14419, 14427)]