2449845

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:303

約数の個数: 40

約数和(自身を含む): 4599936

約数和(自身を除く): 2150091

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 263, 345, 405, 621, 789, 1035, 1315, 1863, 2367, 3105, 3945, 6049, 7101, 9315, 11835, 18147, 21303, 30245, 35505, 54441, 90735, 106515, 163323, 272205, 489969, 816615, 2449845]

約数ペア:

[(1, 2449845), (3, 816615), (5, 489969), (9, 272205), (15, 163323), (23, 106515), (27, 90735), (45, 54441), (69, 35505), (81, 30245), (115, 21303), (135, 18147), (207, 11835), (263, 9315), (345, 7101), (405, 6049), (621, 3945), (789, 3105), (1035, 2367), (1315, 1863)]