12781197

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9931}}^1$

素因数の和:9961

約数の個数: 24

約数和(自身を含む): 21691488

約数和(自身を除く): 8910291

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 9931, 29793, 89379, 109241, 129103, 327723, 387309, 983169, 1161927, 1420133, 4260399, 12781197]

約数ペア:

[(1, 12781197), (3, 4260399), (9, 1420133), (11, 1161927), (13, 983169), (33, 387309), (39, 327723), (99, 129103), (117, 109241), (143, 89379), (429, 29793), (1287, 9931)]