251553315

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{3217}}^1$

素因数の和:3639

約数の個数: 32

約数和(自身を含む): 434661696

約数和(自身を除く): 183108381

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 401, 1203, 2005, 3217, 5213, 6015, 9651, 15639, 16085, 26065, 41821, 48255, 78195, 125463, 209105, 627315, 1290017, 3870051, 6450085, 16770221, 19350255, 50310663, 83851105, 251553315]

約数ペア:

[(1, 251553315), (3, 83851105), (5, 50310663), (13, 19350255), (15, 16770221), (39, 6450085), (65, 3870051), (195, 1290017), (401, 627315), (1203, 209105), (2005, 125463), (3217, 78195), (5213, 48255), (6015, 41821), (9651, 26065), (15639, 16085)]