28734531

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{4159}}^1$

素因数の和:4223

約数の個数: 24

約数和(自身を含む): 45527040

約数和(自身を除く): 16792509

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 4159, 6909, 12477, 29113, 87339, 195473, 203791, 586419, 611373, 1368311, 4104933, 9578177, 28734531]

約数ペア:

[(1, 28734531), (3, 9578177), (7, 4104933), (21, 1368311), (47, 611373), (49, 586419), (141, 203791), (147, 195473), (329, 87339), (987, 29113), (2303, 12477), (4159, 6909)]