128869305

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{2143}}^1$

素因数の和:2381

約数の個数: 32

約数和(自身を含む): 218173440

約数和(自身を除く): 89304135

約数列:

[1, 3, 5, 15, 19, 57, 95, 211, 285, 633, 1055, 2143, 3165, 4009, 6429, 10715, 12027, 20045, 32145, 40717, 60135, 122151, 203585, 452173, 610755, 1356519, 2260865, 6782595, 8591287, 25773861, 42956435, 128869305]

約数ペア:

[(1, 128869305), (3, 42956435), (5, 25773861), (15, 8591287), (19, 6782595), (57, 2260865), (95, 1356519), (211, 610755), (285, 452173), (633, 203585), (1055, 122151), (2143, 60135), (3165, 40717), (4009, 32145), (6429, 20045), (10715, 12027)]