213300081

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{4481}}^1$

素因数の和:4574

約数の個数: 32

約数和(自身を含む): 331309440

約数和(自身を除く): 118009359

約数列:

[1, 3, 9, 27, 41, 43, 123, 129, 369, 387, 1107, 1161, 1763, 4481, 5289, 13443, 15867, 40329, 47601, 120987, 183721, 192683, 551163, 578049, 1653489, 1734147, 4960467, 5202441, 7900003, 23700009, 71100027, 213300081]

約数ペア:

[(1, 213300081), (3, 71100027), (9, 23700009), (27, 7900003), (41, 5202441), (43, 4960467), (123, 1734147), (129, 1653489), (369, 578049), (387, 551163), (1107, 192683), (1161, 183721), (1763, 120987), (4481, 47601), (5289, 40329), (13443, 15867)]