638116125

素因数分解:

$3^1\times 5^3\times {\mathrm{1701643}}^1$

素因数の和:1701661

約数の個数: 16

約数和(自身を含む): 1061825856

約数和(自身を除く): 423709731

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 1701643, 5104929, 8508215, 25524645, 42541075, 127623225, 212705375, 638116125]

約数ペア:

[(1, 638116125), (3, 212705375), (5, 127623225), (15, 42541075), (25, 25524645), (75, 8508215), (125, 5104929), (375, 1701643)]