564375

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{43}}^1$

素因数の和:73

約数の個数: 40

約数和(自身を含む): 1099648

約数和(自身を除く): 535273

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 43, 75, 105, 125, 129, 175, 215, 301, 375, 525, 625, 645, 875, 903, 1075, 1505, 1875, 2625, 3225, 4375, 4515, 5375, 7525, 13125, 16125, 22575, 26875, 37625, 80625, 112875, 188125, 564375]

約数ペア:

[(1, 564375), (3, 188125), (5, 112875), (7, 80625), (15, 37625), (21, 26875), (25, 22575), (35, 16125), (43, 13125), (75, 7525), (105, 5375), (125, 4515), (129, 4375), (175, 3225), (215, 2625), (301, 1875), (375, 1505), (525, 1075), (625, 903), (645, 875)]