39986703

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:509

約数の個数: 40

約数和(自身を含む): 64294560

約数和(自身を除く): 24307857

約数列:

[1, 3, 9, 17, 27, 51, 71, 81, 153, 213, 409, 459, 639, 1207, 1227, 1377, 1917, 3621, 3681, 5751, 6953, 10863, 11043, 20859, 29039, 32589, 33129, 62577, 87117, 97767, 187731, 261351, 493663, 563193, 784053, 1480989, 2352159, 4442967, 13328901, 39986703]

約数ペア:

[(1, 39986703), (3, 13328901), (9, 4442967), (17, 2352159), (27, 1480989), (51, 784053), (71, 563193), (81, 493663), (153, 261351), (213, 187731), (409, 97767), (459, 87117), (639, 62577), (1207, 33129), (1227, 32589), (1377, 29039), (1917, 20859), (3621, 11043), (3681, 10863), (5751, 6953)]