28200789

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{647}}^1$

素因数の和:849

約数の個数: 24

約数和(自身を含む): 42456960

約数和(自身を除く): 14256171

約数列:

[1, 3, 9, 29, 87, 167, 261, 501, 647, 1503, 1941, 4843, 5823, 14529, 18763, 43587, 56289, 108049, 168867, 324147, 972441, 3133421, 9400263, 28200789]

約数ペア:

[(1, 28200789), (3, 9400263), (9, 3133421), (29, 972441), (87, 324147), (167, 168867), (261, 108049), (501, 56289), (647, 43587), (1503, 18763), (1941, 14529), (4843, 5823)]