2102815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 3157056

約数和(自身を除く): 1054241

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 173, 187, 221, 715, 865, 935, 1105, 1903, 2249, 2431, 2941, 9515, 11245, 12155, 14705, 24739, 32351, 38233, 123695, 161755, 191165, 420563, 2102815]

約数ペア:

[(1, 2102815), (5, 420563), (11, 191165), (13, 161755), (17, 123695), (55, 38233), (65, 32351), (85, 24739), (143, 14705), (173, 12155), (187, 11245), (221, 9515), (715, 2941), (865, 2431), (935, 2249), (1105, 1903)]