40019517

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{1877}}^1$

素因数の和:2009

約数の個数: 24

約数和(自身を含む): 60937344

約数和(自身を除く): 20917827

約数列:

[1, 3, 9, 23, 69, 103, 207, 309, 927, 1877, 2369, 5631, 7107, 16893, 21321, 43171, 129513, 193331, 388539, 579993, 1739979, 4446613, 13339839, 40019517]

約数ペア:

[(1, 40019517), (3, 13339839), (9, 4446613), (23, 1739979), (69, 579993), (103, 388539), (207, 193331), (309, 129513), (927, 43171), (1877, 21321), (2369, 16893), (5631, 7107)]