68178105

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2371}}^1$

素因数の和:2459

約数の個数: 40

約数和(自身を含む): 123989184

約数和(自身を除く): 55811079

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 355, 405, 639, 1065, 1917, 2371, 3195, 5751, 7113, 9585, 11855, 21339, 28755, 35565, 64017, 106695, 168341, 192051, 320085, 505023, 841705, 960255, 1515069, 2525115, 4545207, 7575345, 13635621, 22726035, 68178105]

約数ペア:

[(1, 68178105), (3, 22726035), (5, 13635621), (9, 7575345), (15, 4545207), (27, 2525115), (45, 1515069), (71, 960255), (81, 841705), (135, 505023), (213, 320085), (355, 192051), (405, 168341), (639, 106695), (1065, 64017), (1917, 35565), (2371, 28755), (3195, 21339), (5751, 11855), (7113, 9585)]