1243720009

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{6379}}^1$

素因数の和:6589

約数の個数: 24

約数和(自身を含む): 1518644160

約数和(自身を除く): 274924151

約数列:

[1, 7, 23, 49, 161, 173, 1127, 1211, 3979, 6379, 8477, 27853, 44653, 146717, 194971, 312571, 1027019, 1103567, 7189133, 7724969, 25382041, 54074783, 177674287, 1243720009]

約数ペア:

[(1, 1243720009), (7, 177674287), (23, 54074783), (49, 25382041), (161, 7724969), (173, 7189133), (1127, 1103567), (1211, 1027019), (3979, 312571), (6379, 194971), (8477, 146717), (27853, 44653)]