28314765

素因数分解:

$3^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{463}}^1$

素因数の和:631

約数の個数: 40

約数和(自身を含む): 51203328

約数和(自身を除く): 22888563

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 151, 405, 453, 463, 755, 1359, 1389, 2265, 2315, 4077, 4167, 6795, 6945, 12231, 12501, 20385, 20835, 37503, 61155, 62505, 69913, 187515, 209739, 349565, 629217, 1048695, 1887651, 3146085, 5662953, 9438255, 28314765]

約数ペア:

[(1, 28314765), (3, 9438255), (5, 5662953), (9, 3146085), (15, 1887651), (27, 1048695), (45, 629217), (81, 349565), (135, 209739), (151, 187515), (405, 69913), (453, 62505), (463, 61155), (755, 37503), (1359, 20835), (1389, 20385), (2265, 12501), (2315, 12231), (4077, 6945), (4167, 6795)]