12490785

素因数分解:

$3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1409}}^1$

素因数の和:1617

約数の個数: 24

約数和(自身を含む): 21776040

約数和(自身を除く): 9285255

約数列:

[1, 3, 5, 9, 15, 45, 197, 591, 985, 1409, 1773, 2955, 4227, 7045, 8865, 12681, 21135, 63405, 277573, 832719, 1387865, 2498157, 4163595, 12490785]

約数ペア:

[(1, 12490785), (3, 4163595), (5, 2498157), (9, 1387865), (15, 832719), (45, 277573), (197, 63405), (591, 21135), (985, 12681), (1409, 8865), (1773, 7045), (2955, 4227)]