206870013

素因数分解:

$3^2\times 7^2\times {\mathrm{293}}^1\times {\mathrm{1601}}^1$

素因数の和:1914

約数の個数: 36

約数和(自身を含む): 349002108

約数和(自身を除く): 142132095

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 293, 441, 879, 1601, 2051, 2637, 4803, 6153, 11207, 14357, 14409, 18459, 33621, 43071, 78449, 100863, 129213, 235347, 469093, 706041, 1407279, 3283651, 4221837, 9850953, 22985557, 29552859, 68956671, 206870013]

約数ペア:

[(1, 206870013), (3, 68956671), (7, 29552859), (9, 22985557), (21, 9850953), (49, 4221837), (63, 3283651), (147, 1407279), (293, 706041), (441, 469093), (879, 235347), (1601, 129213), (2051, 100863), (2637, 78449), (4803, 43071), (6153, 33621), (11207, 18459), (14357, 14409)]