12960927

素因数分解:

$3^2\times 7^1\times {\mathrm{419}}^1\times {\mathrm{491}}^1$

素因数の和:923

約数の個数: 24

約数和(自身を含む): 21490560

約数和(自身を除く): 8529633

約数列:

[1, 3, 7, 9, 21, 63, 419, 491, 1257, 1473, 2933, 3437, 3771, 4419, 8799, 10311, 26397, 30933, 205729, 617187, 1440103, 1851561, 4320309, 12960927]

約数ペア:

[(1, 12960927), (3, 4320309), (7, 1851561), (9, 1440103), (21, 617187), (63, 205729), (419, 30933), (491, 26397), (1257, 10311), (1473, 8799), (2933, 4419), (3437, 3771)]