166815405

素因数分解:

$3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{13679}}^1$

素因数の和:13961

約数の個数: 24

約数和(自身を含む): 290234880

約数和(自身を除く): 123419475

約数列:

[1, 3, 5, 9, 15, 45, 271, 813, 1355, 2439, 4065, 12195, 13679, 41037, 68395, 123111, 205185, 615555, 3707009, 11121027, 18535045, 33363081, 55605135, 166815405]

約数ペア:

[(1, 166815405), (3, 55605135), (5, 33363081), (9, 18535045), (15, 11121027), (45, 3707009), (271, 615555), (813, 205185), (1355, 123111), (2439, 68395), (4065, 41037), (12195, 13679)]