1277693781

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{59243}}^1$

素因数の和:59345

約数の個数: 32

約数和(自身を含む): 2123304960

約数和(自身を除く): 845611179

約数列:

[1, 3, 7, 13, 21, 39, 79, 91, 237, 273, 553, 1027, 1659, 3081, 7189, 21567, 59243, 177729, 414701, 770159, 1244103, 2310477, 4680197, 5391113, 14040591, 16173339, 32761379, 60842561, 98284137, 182527683, 425897927, 1277693781]

約数ペア:

[(1, 1277693781), (3, 425897927), (7, 182527683), (13, 98284137), (21, 60842561), (39, 32761379), (79, 16173339), (91, 14040591), (237, 5391113), (273, 4680197), (553, 2310477), (1027, 1244103), (1659, 770159), (3081, 414701), (7189, 177729), (21567, 59243)]