28804413

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{1087}}^1$

素因数の和:1185

約数の個数: 24

約数和(自身を含む): 42832384

約数和(自身を除く): 14027971

約数列:

[1, 3, 11, 33, 73, 121, 219, 363, 803, 1087, 2409, 3261, 8833, 11957, 26499, 35871, 79351, 131527, 238053, 394581, 872861, 2618583, 9601471, 28804413]

約数ペア:

[(1, 28804413), (3, 9601471), (11, 2618583), (33, 872861), (73, 394581), (121, 238053), (219, 131527), (363, 79351), (803, 35871), (1087, 26499), (2409, 11957), (3261, 8833)]