721445829

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{48809}}^1$

素因数の和:49204

約数の個数: 16

約数和(自身を含む): 1038676800

約数和(自身を除く): 317230971

約数列:

[1, 3, 13, 39, 379, 1137, 4927, 14781, 48809, 146427, 634517, 1903551, 18498611, 55495833, 240481943, 721445829]

約数ペア:

[(1, 721445829), (3, 240481943), (13, 55495833), (39, 18498611), (379, 1903551), (1137, 634517), (4927, 146427), (14781, 48809)]