28639845

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16319}}^1$

素因数の和:16346

約数の個数: 32

約数和(自身を含む): 54835200

約数和(自身を除く): 26195355

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 16319, 48957, 81595, 146871, 212147, 244785, 440613, 636441, 734355, 1060735, 1909323, 2203065, 3182205, 5727969, 9546615, 28639845]

約数ペア:

[(1, 28639845), (3, 9546615), (5, 5727969), (9, 3182205), (13, 2203065), (15, 1909323), (27, 1060735), (39, 734355), (45, 636441), (65, 440613), (117, 244785), (135, 212147), (195, 146871), (351, 81595), (585, 48957), (1755, 16319)]