2578995

素因数分解:

$3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 4507776

約数和(自身を除く): 1928781

約数列:

[1, 3, 5, 9, 15, 45, 223, 257, 669, 771, 1115, 1285, 2007, 2313, 3345, 3855, 10035, 11565, 57311, 171933, 286555, 515799, 859665, 2578995]

約数ペア:

[(1, 2578995), (3, 859665), (5, 515799), (9, 286555), (15, 171933), (45, 57311), (223, 11565), (257, 10035), (669, 3855), (771, 3345), (1115, 2313), (1285, 2007)]