1928565

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2521}}^1$

素因数の和:2549

約数の個数: 24

約数和(自身を含む): 3540888

約数和(自身を除く): 1612323

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 2521, 7563, 12605, 22689, 37815, 42857, 113445, 128571, 214285, 385713, 642855, 1928565]

約数ペア:

[(1, 1928565), (3, 642855), (5, 385713), (9, 214285), (15, 128571), (17, 113445), (45, 42857), (51, 37815), (85, 22689), (153, 12605), (255, 7563), (765, 2521)]