508125

素因数分解:

$3^1\times 5^4\times {\mathrm{271}}^1$

素因数の和:294

約数の個数: 20

約数和(自身を含む): 849728

約数和(自身を除く): 341603

約数列:

[1, 3, 5, 15, 25, 75, 125, 271, 375, 625, 813, 1355, 1875, 4065, 6775, 20325, 33875, 101625, 169375, 508125]

約数ペア:

[(1, 508125), (3, 169375), (5, 101625), (15, 33875), (25, 20325), (75, 6775), (125, 4065), (271, 1875), (375, 1355), (625, 813)]