12745665

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{16661}}^1$

素因数の和:16689

約数の個数: 24

約数和(自身を含む): 23393448

約数和(自身を除く): 10647783

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 16661, 49983, 83305, 149949, 249915, 283237, 749745, 849711, 1416185, 2549133, 4248555, 12745665]

約数ペア:

[(1, 12745665), (3, 4248555), (5, 2549133), (9, 1416185), (15, 849711), (17, 749745), (45, 283237), (51, 249915), (85, 149949), (153, 83305), (255, 49983), (765, 16661)]