28213863

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 41513472

約数和(自身を除く): 13299609

約数列:

[1, 3, 17, 41, 51, 103, 123, 131, 309, 393, 697, 1751, 2091, 2227, 4223, 5253, 5371, 6681, 12669, 13493, 16113, 40479, 71791, 91307, 215373, 229381, 273921, 553213, 688143, 1659639, 9404621, 28213863]

約数ペア:

[(1, 28213863), (3, 9404621), (17, 1659639), (41, 688143), (51, 553213), (103, 273921), (123, 229381), (131, 215373), (309, 91307), (393, 71791), (697, 40479), (1751, 16113), (2091, 13493), (2227, 12669), (4223, 6681), (5253, 5371)]