22991121

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{14939}}^1$

素因数の和:14970

約数の個数: 20

約数和(自身を含む): 36154800

約数和(自身を除く): 13163679

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 14939, 44817, 134451, 283841, 403353, 851523, 1210059, 2554569, 7663707, 22991121]

約数ペア:

[(1, 22991121), (3, 7663707), (9, 2554569), (19, 1210059), (27, 851523), (57, 403353), (81, 283841), (171, 134451), (513, 44817), (1539, 14939)]