11815905

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1181}}^1$

素因数の和:1241

約数の個数: 32

約数和(自身を含む): 20424960

約数和(自身を除く): 8609055

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 115, 145, 345, 435, 667, 1181, 2001, 3335, 3543, 5905, 10005, 17715, 27163, 34249, 81489, 102747, 135815, 171245, 407445, 513735, 787727, 2363181, 3938635, 11815905]

約数ペア:

[(1, 11815905), (3, 3938635), (5, 2363181), (15, 787727), (23, 513735), (29, 407445), (69, 171245), (87, 135815), (115, 102747), (145, 81489), (345, 34249), (435, 27163), (667, 17715), (1181, 10005), (2001, 5905), (3335, 3543)]