28266693

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2203}}^1$

素因数の和:2273

約数の個数: 32

約数和(自身を含む): 47394816

約数和(自身を除く): 19128123

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1833, 2203, 4277, 6609, 12831, 15421, 28639, 46263, 85917, 103541, 200473, 310623, 601419, 724787, 1346033, 2174361, 4038099, 9422231, 28266693]

約数ペア:

[(1, 28266693), (3, 9422231), (7, 4038099), (13, 2174361), (21, 1346033), (39, 724787), (47, 601419), (91, 310623), (141, 200473), (273, 103541), (329, 85917), (611, 46263), (987, 28639), (1833, 15421), (2203, 12831), (4277, 6609)]