42931215

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1493}}^1$

素因数の和:1581

約数の個数: 40

約数和(自身を含む): 78094368

約数和(自身を除く): 35163153

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 355, 405, 639, 1065, 1493, 1917, 3195, 4479, 5751, 7465, 9585, 13437, 22395, 28755, 40311, 67185, 106003, 120933, 201555, 318009, 530015, 604665, 954027, 1590045, 2862081, 4770135, 8586243, 14310405, 42931215]

約数ペア:

[(1, 42931215), (3, 14310405), (5, 8586243), (9, 4770135), (15, 2862081), (27, 1590045), (45, 954027), (71, 604665), (81, 530015), (135, 318009), (213, 201555), (355, 120933), (405, 106003), (639, 67185), (1065, 40311), (1493, 28755), (1917, 22395), (3195, 13437), (4479, 9585), (5751, 7465)]