1281399

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{379}}^1$

素因数の和:419

約数の個数: 24

約数和(自身を含む): 2079360

約数和(自身を除く): 797961

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 379, 483, 1127, 1137, 2653, 3381, 7959, 8717, 18571, 26151, 55713, 61019, 183057, 427133, 1281399]

約数ペア:

[(1, 1281399), (3, 427133), (7, 183057), (21, 61019), (23, 55713), (49, 26151), (69, 18571), (147, 8717), (161, 7959), (379, 3381), (483, 2653), (1127, 1137)]