31311909

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{7057}}^1$

素因数の和:7109

約数の個数: 24

約数和(自身を含む): 49547160

約数和(自身を除く): 18235251

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4437, 7057, 21171, 63513, 119969, 204653, 359907, 613959, 1079721, 1841877, 3479101, 10437303, 31311909]

約数ペア:

[(1, 31311909), (3, 10437303), (9, 3479101), (17, 1841877), (29, 1079721), (51, 613959), (87, 359907), (153, 204653), (261, 119969), (493, 63513), (1479, 21171), (4437, 7057)]