17680845

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12953}}^1$

素因数の和:12981

約数の個数: 32

約数和(自身を含む): 34820352

約数和(自身を除く): 17139507

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 12953, 38859, 64765, 90671, 168389, 194295, 272013, 453355, 505167, 841945, 1178723, 1360065, 2525835, 3536169, 5893615, 17680845]

約数ペア:

[(1, 17680845), (3, 5893615), (5, 3536169), (7, 2525835), (13, 1360065), (15, 1178723), (21, 841945), (35, 505167), (39, 453355), (65, 272013), (91, 194295), (105, 168389), (195, 90671), (273, 64765), (455, 38859), (1365, 12953)]