2139375

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{163}}^1$

素因数の和:193

約数の個数: 40

約数和(自身を含む): 4098688

約数和(自身を除く): 1959313

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 163, 175, 375, 489, 525, 625, 815, 875, 1141, 1875, 2445, 2625, 3423, 4075, 4375, 5705, 12225, 13125, 17115, 20375, 28525, 61125, 85575, 101875, 142625, 305625, 427875, 713125, 2139375]

約数ペア:

[(1, 2139375), (3, 713125), (5, 427875), (7, 305625), (15, 142625), (21, 101875), (25, 85575), (35, 61125), (75, 28525), (105, 20375), (125, 17115), (163, 13125), (175, 12225), (375, 5705), (489, 4375), (525, 4075), (625, 3423), (815, 2625), (875, 2445), (1141, 1875)]