121875

素因数分解:

$3^1\times 5^5\times {\mathrm{13}}^1$

素因数の和:41

約数の個数: 24

約数和(自身を含む): 218736

約数和(自身を除く): 96861

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 625, 975, 1625, 1875, 3125, 4875, 8125, 9375, 24375, 40625, 121875]

約数ペア:

[(1, 121875), (3, 40625), (5, 24375), (13, 9375), (15, 8125), (25, 4875), (39, 3125), (65, 1875), (75, 1625), (125, 975), (195, 625), (325, 375)]