13579815

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 22643712

約数和(自身を除く): 9063897

約数列:

[1, 3, 5, 15, 41, 71, 123, 205, 213, 311, 355, 615, 933, 1065, 1555, 2911, 4665, 8733, 12751, 14555, 22081, 38253, 43665, 63755, 66243, 110405, 191265, 331215, 905321, 2715963, 4526605, 13579815]

約数ペア:

[(1, 13579815), (3, 4526605), (5, 2715963), (15, 905321), (41, 331215), (71, 191265), (123, 110405), (205, 66243), (213, 63755), (311, 43665), (355, 38253), (615, 22081), (933, 14555), (1065, 12751), (1555, 8733), (2911, 4665)]