220908801

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{28289}}^1$

素因数の和:28448

約数の個数: 16

約数和(自身を含む): 312321600

約数和(自身を除く): 91412799

約数列:

[1, 3, 19, 57, 137, 411, 2603, 7809, 28289, 84867, 537491, 1612473, 3875593, 11626779, 73636267, 220908801]

約数ペア:

[(1, 220908801), (3, 73636267), (19, 11626779), (57, 3875593), (137, 1612473), (411, 537491), (2603, 84867), (7809, 28289)]