538125

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{41}}^1$

素因数の和:71

約数の個数: 40

約数和(自身を含む): 1049664

約数和(自身を除く): 511539

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 41, 75, 105, 123, 125, 175, 205, 287, 375, 525, 615, 625, 861, 875, 1025, 1435, 1875, 2625, 3075, 4305, 4375, 5125, 7175, 13125, 15375, 21525, 25625, 35875, 76875, 107625, 179375, 538125]

約数ペア:

[(1, 538125), (3, 179375), (5, 107625), (7, 76875), (15, 35875), (21, 25625), (25, 21525), (35, 15375), (41, 13125), (75, 7175), (105, 5125), (123, 4375), (125, 4305), (175, 3075), (205, 2625), (287, 1875), (375, 1435), (525, 1025), (615, 875), (625, 861)]