15221331

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:352

約数の個数: 32

約数和(自身を含む): 23838720

約数和(自身を除く): 8617389

約数列:

[1, 3, 9, 23, 27, 69, 127, 193, 207, 381, 579, 621, 1143, 1737, 2921, 3429, 4439, 5211, 8763, 13317, 24511, 26289, 39951, 73533, 78867, 119853, 220599, 563753, 661797, 1691259, 5073777, 15221331]

約数ペア:

[(1, 15221331), (3, 5073777), (9, 1691259), (23, 661797), (27, 563753), (69, 220599), (127, 119853), (193, 78867), (207, 73533), (381, 39951), (579, 26289), (621, 24511), (1143, 13317), (1737, 8763), (2921, 5211), (3429, 4439)]