2019375

素因数分解:

$3^2\times 5^4\times {\mathrm{359}}^1$

素因数の和:385

約数の個数: 30

約数和(自身を含む): 3655080

約数和(自身を除く): 1635705

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 359, 375, 625, 1077, 1125, 1795, 1875, 3231, 5385, 5625, 8975, 16155, 26925, 44875, 80775, 134625, 224375, 403875, 673125, 2019375]

約数ペア:

[(1, 2019375), (3, 673125), (5, 403875), (9, 224375), (15, 134625), (25, 80775), (45, 44875), (75, 26925), (125, 16155), (225, 8975), (359, 5625), (375, 5385), (625, 3231), (1077, 1875), (1125, 1795)]