279804591

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{40961}}^1$

素因数の和:41004

約数の個数: 32

約数和(自身を含む): 471882240

約数和(自身を除く): 192077649

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 99, 207, 253, 297, 621, 759, 2277, 6831, 40961, 122883, 368649, 450571, 942103, 1105947, 1351713, 2826309, 4055139, 8478927, 10363133, 12165417, 25436781, 31089399, 93268197, 279804591]

約数ペア:

[(1, 279804591), (3, 93268197), (9, 31089399), (11, 25436781), (23, 12165417), (27, 10363133), (33, 8478927), (69, 4055139), (99, 2826309), (207, 1351713), (253, 1105947), (297, 942103), (621, 450571), (759, 368649), (2277, 122883), (6831, 40961)]