211627781

素因数分解:

${\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{1217}}^1$

素因数の和:1480

約数の個数: 16

約数和(自身を含む): 229675824

約数和(自身を除く): 18048043

約数列:

[1, 17, 53, 193, 901, 1217, 3281, 10229, 20689, 64501, 173893, 234881, 1096517, 3992977, 12448693, 211627781]

約数ペア:

[(1, 211627781), (17, 12448693), (53, 3992977), (193, 1096517), (901, 234881), (1217, 173893), (3281, 64501), (10229, 20689)]