28610127

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 51408448

約数和(自身を除く): 22798321

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 181, 193, 273, 543, 579, 819, 1267, 1351, 1629, 1737, 2353, 2509, 3801, 4053, 7059, 7527, 11403, 12159, 16471, 17563, 21177, 22581, 34933, 49413, 52689, 104799, 148239, 158067, 244531, 314397, 454129, 733593, 1362387, 2200779, 3178903, 4087161, 9536709, 28610127]

約数ペア:

[(1, 28610127), (3, 9536709), (7, 4087161), (9, 3178903), (13, 2200779), (21, 1362387), (39, 733593), (63, 454129), (91, 314397), (117, 244531), (181, 158067), (193, 148239), (273, 104799), (543, 52689), (579, 49413), (819, 34933), (1267, 22581), (1351, 21177), (1629, 17563), (1737, 16471), (2353, 12159), (2509, 11403), (3801, 7527), (4053, 7059)]