1891845

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2473}}^1$

素因数の和:2501

約数の個数: 24

約数和(自身を含む): 3473496

約数和(自身を除く): 1581651

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 2473, 7419, 12365, 22257, 37095, 42041, 111285, 126123, 210205, 378369, 630615, 1891845]

約数ペア:

[(1, 1891845), (3, 630615), (5, 378369), (9, 210205), (15, 126123), (17, 111285), (45, 42041), (51, 37095), (85, 22257), (153, 12365), (255, 7419), (765, 2473)]