31880805

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4111}}^1$

素因数の和:4177

約数の個数: 32

約数和(自身を含む): 56844288

約数和(自身を除く): 24963483

約数列:

[1, 3, 5, 11, 15, 33, 47, 55, 141, 165, 235, 517, 705, 1551, 2585, 4111, 7755, 12333, 20555, 45221, 61665, 135663, 193217, 226105, 579651, 678315, 966085, 2125387, 2898255, 6376161, 10626935, 31880805]

約数ペア:

[(1, 31880805), (3, 10626935), (5, 6376161), (11, 2898255), (15, 2125387), (33, 966085), (47, 678315), (55, 579651), (141, 226105), (165, 193217), (235, 135663), (517, 61665), (705, 45221), (1551, 20555), (2585, 12333), (4111, 7755)]