142481857

素因数分解:

$7^3\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:270

約数の個数: 32

約数和(自身を含む): 173888000

約数和(自身を除く): 31406143

約数列:

[1, 7, 37, 49, 103, 109, 259, 343, 721, 763, 1813, 3811, 4033, 5047, 5341, 11227, 12691, 26677, 28231, 35329, 37387, 78589, 186739, 197617, 415399, 550123, 1307173, 1383319, 2907793, 3850861, 20354551, 142481857]

約数ペア:

[(1, 142481857), (7, 20354551), (37, 3850861), (49, 2907793), (103, 1383319), (109, 1307173), (259, 550123), (343, 415399), (721, 197617), (763, 186739), (1813, 78589), (3811, 37387), (4033, 35329), (5047, 28231), (5341, 26677), (11227, 12691)]