28528671

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{463}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 42762240

約数和(自身を除く): 14233569

約数列:

[1, 3, 19, 23, 47, 57, 69, 141, 437, 463, 893, 1081, 1311, 1389, 2679, 3243, 8797, 10649, 20539, 21761, 26391, 31947, 61617, 65283, 202331, 413459, 500503, 606993, 1240377, 1501509, 9509557, 28528671]

約数ペア:

[(1, 28528671), (3, 9509557), (19, 1501509), (23, 1240377), (47, 606993), (57, 500503), (69, 413459), (141, 202331), (437, 65283), (463, 61617), (893, 31947), (1081, 26391), (1311, 21761), (1389, 20539), (2679, 10649), (3243, 8797)]