678650013

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{19037}}^1$

素因数の和:19293

約数の個数: 24

約数和(自身を含む): 1042444728

約数和(自身を除く): 363794715

約数列:

[1, 3, 9, 17, 51, 153, 233, 699, 2097, 3961, 11883, 19037, 35649, 57111, 171333, 323629, 970887, 2912661, 4435621, 13306863, 39920589, 75405557, 226216671, 678650013]

約数ペア:

[(1, 678650013), (3, 226216671), (9, 75405557), (17, 39920589), (51, 13306863), (153, 4435621), (233, 2912661), (699, 970887), (2097, 323629), (3961, 171333), (11883, 57111), (19037, 35649)]