212819247

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{2113}}^1$

素因数の和:2188

約数の個数: 36

約数和(自身を含む): 335060544

約数和(自身を除く): 122241297

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 361, 589, 1083, 1767, 2113, 3249, 5301, 6339, 11191, 19017, 33573, 40147, 65503, 100719, 120441, 196509, 361323, 589527, 762793, 1244557, 2288379, 3733671, 6865137, 11201013, 23646583, 70939749, 212819247]

約数ペア:

[(1, 212819247), (3, 70939749), (9, 23646583), (19, 11201013), (31, 6865137), (57, 3733671), (93, 2288379), (171, 1244557), (279, 762793), (361, 589527), (589, 361323), (1083, 196509), (1767, 120441), (2113, 100719), (3249, 65503), (5301, 40147), (6339, 33573), (11191, 19017)]