7215219

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2351}}^1$

素因数の和:2399

約数の個数: 24

約数和(自身を含む): 11741184

約数和(自身を除く): 4525965

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 279, 341, 1023, 2351, 3069, 7053, 21159, 25861, 72881, 77583, 218643, 232749, 655929, 801691, 2405073, 7215219]

約数ペア:

[(1, 7215219), (3, 2405073), (9, 801691), (11, 655929), (31, 232749), (33, 218643), (93, 77583), (99, 72881), (279, 25861), (341, 21159), (1023, 7053), (2351, 3069)]