90121905

素因数分解:

$3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{13441}}^1$

素因数の和:13601

約数の個数: 24

約数和(自身を含む): 157271400

約数和(自身を除く): 67149495

約数列:

[1, 3, 5, 9, 15, 45, 149, 447, 745, 1341, 2235, 6705, 13441, 40323, 67205, 120969, 201615, 604845, 2002709, 6008127, 10013545, 18024381, 30040635, 90121905]

約数ペア:

[(1, 90121905), (3, 30040635), (5, 18024381), (9, 10013545), (15, 6008127), (45, 2002709), (149, 604845), (447, 201615), (745, 120969), (1341, 67205), (2235, 40323), (6705, 13441)]