16988433

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{293}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 28449792

約数和(自身を除く): 11461359

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 251, 293, 753, 879, 1757, 2051, 2761, 3223, 5271, 6153, 8283, 9669, 19327, 22561, 57981, 67683, 73543, 220629, 514801, 808973, 1544403, 2426919, 5662811, 16988433]

約数ペア:

[(1, 16988433), (3, 5662811), (7, 2426919), (11, 1544403), (21, 808973), (33, 514801), (77, 220629), (231, 73543), (251, 67683), (293, 57981), (753, 22561), (879, 19327), (1757, 9669), (2051, 8283), (2761, 6153), (3223, 5271)]