291278608281

素因数分解:

$3^4\times {\mathrm{373}}^1\times {\mathrm{9640837}}^1$

素因数の和:9641222

約数の個数: 20

約数和(自身を含む): 436286482852

約数和(自身を除く): 145007874571

約数列:

[1, 3, 9, 27, 81, 373, 1119, 3357, 10071, 30213, 9640837, 28922511, 86767533, 260302599, 780907797, 3596032201, 10788096603, 32364289809, 97092869427, 291278608281]

約数ペア:

[(1, 291278608281), (3, 97092869427), (9, 32364289809), (27, 10788096603), (81, 3596032201), (373, 780907797), (1119, 260302599), (3357, 86767533), (10071, 28922511), (30213, 9640837)]