42040755

素因数分解:

$3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2857}}^1$

素因数の和:2980

約数の個数: 32

約数和(自身を含む): 75451200

約数和(自身を除く): 33410445

約数列:

[1, 3, 5, 9, 15, 27, 45, 109, 135, 327, 545, 981, 1635, 2857, 2943, 4905, 8571, 14285, 14715, 25713, 42855, 77139, 128565, 311413, 385695, 934239, 1557065, 2802717, 4671195, 8408151, 14013585, 42040755]

約数ペア:

[(1, 42040755), (3, 14013585), (5, 8408151), (9, 4671195), (15, 2802717), (27, 1557065), (45, 934239), (109, 385695), (135, 311413), (327, 128565), (545, 77139), (981, 42855), (1635, 25713), (2857, 14715), (2943, 14285), (4905, 8571)]