131583225

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{40801}}^1$

素因数の和:40857

約数の個数: 24

約数和(自身を含む): 222615712

約数和(自身を除く): 91032487

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 40801, 122403, 204005, 612015, 1020025, 1754443, 3060075, 5263329, 8772215, 26316645, 43861075, 131583225]

約数ペア:

[(1, 131583225), (3, 43861075), (5, 26316645), (15, 8772215), (25, 5263329), (43, 3060075), (75, 1754443), (129, 1020025), (215, 612015), (645, 204005), (1075, 122403), (3225, 40801)]