1808145

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1747}}^1$

素因数の和:1781

約数の個数: 24

約数和(自身を含む): 3272256

約数和(自身を除く): 1464111

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 1747, 5241, 8735, 15723, 26205, 40181, 78615, 120543, 200905, 361629, 602715, 1808145]

約数ペア:

[(1, 1808145), (3, 602715), (5, 361629), (9, 200905), (15, 120543), (23, 78615), (45, 40181), (69, 26205), (115, 15723), (207, 8735), (345, 5241), (1035, 1747)]