75575815

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 108896256

約数和(自身を除く): 33320441

約数列:

[1, 5, 7, 23, 35, 115, 161, 223, 421, 805, 1115, 1561, 2105, 2947, 5129, 7805, 9683, 14735, 25645, 35903, 48415, 67781, 93883, 179515, 338905, 469415, 657181, 2159309, 3285905, 10796545, 15115163, 75575815]

約数ペア:

[(1, 75575815), (5, 15115163), (7, 10796545), (23, 3285905), (35, 2159309), (115, 657181), (161, 469415), (223, 338905), (421, 179515), (805, 93883), (1115, 67781), (1561, 48415), (2105, 35903), (2947, 25645), (5129, 14735), (7805, 9683)]