81115377

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{39821}}^1$

素因数の和:39928

約数の個数: 16

約数和(自身を含む): 124881792

約数和(自身を除く): 43766415

約数列:

[1, 3, 7, 21, 97, 291, 679, 2037, 39821, 119463, 278747, 836241, 3862637, 11587911, 27038459, 81115377]

約数ペア:

[(1, 81115377), (3, 27038459), (7, 11587911), (21, 3862637), (97, 836241), (291, 278747), (679, 119463), (2037, 39821)]