402825

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:185

約数の個数: 24

約数和(自身を含む): 687456

約数和(自身を除く): 284631

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 131, 205, 393, 615, 655, 1025, 1965, 3075, 3275, 5371, 9825, 16113, 26855, 80565, 134275, 402825]

約数ペア:

[(1, 402825), (3, 134275), (5, 80565), (15, 26855), (25, 16113), (41, 9825), (75, 5371), (123, 3275), (131, 3075), (205, 1965), (393, 1025), (615, 655)]