7321455

素因数分解:

$3^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{281}}^1$

素因数の和:488

約数の個数: 32

約数和(自身を含む): 13129920

約数和(自身を除く): 5808465

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 193, 281, 579, 843, 965, 1405, 1737, 2529, 2895, 4215, 5211, 7587, 8685, 12645, 26055, 37935, 54233, 162699, 271165, 488097, 813495, 1464291, 2440485, 7321455]

約数ペア:

[(1, 7321455), (3, 2440485), (5, 1464291), (9, 813495), (15, 488097), (27, 271165), (45, 162699), (135, 54233), (193, 37935), (281, 26055), (579, 12645), (843, 8685), (965, 7587), (1405, 5211), (1737, 4215), (2529, 2895)]