2145009

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:464

約数の個数: 16

約数和(自身を含む): 3060288

約数和(自身を除く): 915279

約数列:

[1, 3, 17, 51, 137, 307, 411, 921, 2329, 5219, 6987, 15657, 42059, 126177, 715003, 2145009]

約数ペア:

[(1, 2145009), (3, 715003), (17, 126177), (51, 42059), (137, 15657), (307, 6987), (411, 5219), (921, 2329)]