78883125

素因数分解:

$3^1\times 5^4\times {\mathrm{42071}}^1$

素因数の和:42094

約数の個数: 20

約数和(自身を含む): 131432928

約数和(自身を除く): 52549803

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1875, 42071, 126213, 210355, 631065, 1051775, 3155325, 5258875, 15776625, 26294375, 78883125]

約数ペア:

[(1, 78883125), (3, 26294375), (5, 15776625), (15, 5258875), (25, 3155325), (75, 1051775), (125, 631065), (375, 210355), (625, 126213), (1875, 42071)]