80823561

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2161}}^1$

素因数の和:2321

約数の個数: 32

約数和(自身を含む): 133663488

約数和(自身を除く): 52839927

約数列:

[1, 3, 7, 13, 21, 39, 91, 137, 273, 411, 959, 1781, 2161, 2877, 5343, 6483, 12467, 15127, 28093, 37401, 45381, 84279, 196651, 296057, 589953, 888171, 2072399, 3848741, 6217197, 11546223, 26941187, 80823561]

約数ペア:

[(1, 80823561), (3, 26941187), (7, 11546223), (13, 6217197), (21, 3848741), (39, 2072399), (91, 888171), (137, 589953), (273, 296057), (411, 196651), (959, 84279), (1781, 45381), (2161, 37401), (2877, 28093), (5343, 15127), (6483, 12467)]