6405975

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:488

約数の個数: 36

約数和(自身を含む): 11664432

約数和(自身を除く): 5258457

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 213, 225, 355, 401, 639, 1065, 1203, 1775, 2005, 3195, 3609, 5325, 6015, 10025, 15975, 18045, 28471, 30075, 85413, 90225, 142355, 256239, 427065, 711775, 1281195, 2135325, 6405975]

約数ペア:

[(1, 6405975), (3, 2135325), (5, 1281195), (9, 711775), (15, 427065), (25, 256239), (45, 142355), (71, 90225), (75, 85413), (213, 30075), (225, 28471), (355, 18045), (401, 15975), (639, 10025), (1065, 6015), (1203, 5325), (1775, 3609), (2005, 3195)]