649629

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:185

約数の個数: 24

約数和(自身を含む): 1029600

約数和(自身を除く): 379971

約数列:

[1, 3, 9, 19, 29, 57, 87, 131, 171, 261, 393, 551, 1179, 1653, 2489, 3799, 4959, 7467, 11397, 22401, 34191, 72181, 216543, 649629]

約数ペア:

[(1, 649629), (3, 216543), (9, 72181), (19, 34191), (29, 22401), (57, 11397), (87, 7467), (131, 4959), (171, 3799), (261, 2489), (393, 1653), (551, 1179)]