289690125

素因数分解:

$3^1\times 5^3\times {\mathrm{131}}^1\times {\mathrm{5897}}^1$

素因数の和:6046

約数の個数: 32

約数和(自身を含む): 485806464

約数和(自身を除く): 196116339

約数列:

[1, 3, 5, 15, 25, 75, 125, 131, 375, 393, 655, 1965, 3275, 5897, 9825, 16375, 17691, 29485, 49125, 88455, 147425, 442275, 737125, 772507, 2211375, 2317521, 3862535, 11587605, 19312675, 57938025, 96563375, 289690125]

約数ペア:

[(1, 289690125), (3, 96563375), (5, 57938025), (15, 19312675), (25, 11587605), (75, 3862535), (125, 2317521), (131, 2211375), (375, 772507), (393, 737125), (655, 442275), (1965, 147425), (3275, 88455), (5897, 49125), (9825, 29485), (16375, 17691)]