2168109

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 3411200

約数和(自身を除く): 1243091

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 409, 589, 1227, 1767, 3681, 5301, 7771, 12679, 23313, 38037, 69939, 114111, 240901, 722703, 2168109]

約数ペア:

[(1, 2168109), (3, 722703), (9, 240901), (19, 114111), (31, 69939), (57, 38037), (93, 23313), (171, 12679), (279, 7771), (409, 5301), (589, 3681), (1227, 1767)]