12978147

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 21514752

約数和(自身を除く): 8536605

約数列:

[1, 3, 7, 13, 21, 39, 91, 137, 273, 347, 411, 959, 1041, 1781, 2429, 2877, 4511, 5343, 7287, 12467, 13533, 31577, 37401, 47539, 94731, 142617, 332773, 618007, 998319, 1854021, 4326049, 12978147]

約数ペア:

[(1, 12978147), (3, 4326049), (7, 1854021), (13, 998319), (21, 618007), (39, 332773), (91, 142617), (137, 94731), (273, 47539), (347, 37401), (411, 31577), (959, 13533), (1041, 12467), (1781, 7287), (2429, 5343), (2877, 4511)]