64390557

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{39821}}^1$

素因数の和:39849

約数の個数: 24

約数和(自身を含む): 108952992

約数和(自身を除く): 44562435

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 39821, 119463, 278747, 438031, 836241, 1314093, 1951229, 3066217, 5853687, 9198651, 21463519, 64390557]

約数ペア:

[(1, 64390557), (3, 21463519), (7, 9198651), (11, 5853687), (21, 3066217), (33, 1951229), (49, 1314093), (77, 836241), (147, 438031), (231, 278747), (539, 119463), (1617, 39821)]