2217495

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{431}}^1$

素因数の和:460

約数の個数: 32

約数和(自身を含む): 4147200

約数和(自身を除く): 1929705

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 431, 735, 1029, 1293, 1715, 2155, 3017, 5145, 6465, 9051, 15085, 21119, 45255, 63357, 105595, 147833, 316785, 443499, 739165, 2217495]

約数ペア:

[(1, 2217495), (3, 739165), (5, 443499), (7, 316785), (15, 147833), (21, 105595), (35, 63357), (49, 45255), (105, 21119), (147, 15085), (245, 9051), (343, 6465), (431, 5145), (735, 3017), (1029, 2155), (1293, 1715)]