2172897

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 3363360

約数和(自身を除く): 1190463

約数列:

[1, 3, 9, 19, 57, 97, 131, 171, 291, 393, 873, 1179, 1843, 2489, 5529, 7467, 12707, 16587, 22401, 38121, 114363, 241433, 724299, 2172897]

約数ペア:

[(1, 2172897), (3, 724299), (9, 241433), (19, 114363), (57, 38121), (97, 22401), (131, 16587), (171, 12707), (291, 7467), (393, 5529), (873, 2489), (1179, 1843)]