28613745

素因数分解:

$3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{4211}}^1$

素因数の和:4373

約数の個数: 24

約数和(自身を含む): 49937472

約数和(自身を除く): 21323727

約数列:

[1, 3, 5, 9, 15, 45, 151, 453, 755, 1359, 2265, 4211, 6795, 12633, 21055, 37899, 63165, 189495, 635861, 1907583, 3179305, 5722749, 9537915, 28613745]

約数ペア:

[(1, 28613745), (3, 9537915), (5, 5722749), (9, 3179305), (15, 1907583), (45, 635861), (151, 189495), (453, 63165), (755, 37899), (1359, 21055), (2265, 12633), (4211, 6795)]