261696237

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1\times {\mathrm{593}}^1$

素因数の和:961

約数の個数: 32

約数和(自身を含む): 391412736

約数和(自身を除く): 129716499

約数列:

[1, 3, 11, 33, 43, 129, 311, 473, 593, 933, 1419, 1779, 3421, 6523, 10263, 13373, 19569, 25499, 40119, 76497, 147103, 184423, 280489, 441309, 553269, 841467, 2028653, 6085959, 7930189, 23790567, 87232079, 261696237]

約数ペア:

[(1, 261696237), (3, 87232079), (11, 23790567), (33, 7930189), (43, 6085959), (129, 2028653), (311, 841467), (473, 553269), (593, 441309), (933, 280489), (1419, 184423), (1779, 147103), (3421, 76497), (6523, 40119), (10263, 25499), (13373, 19569)]