30939993

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 53079936

約数和(自身を除く): 22139943

約数列:

[1, 3, 7, 9, 21, 61, 63, 83, 97, 183, 249, 291, 427, 549, 581, 679, 747, 873, 1281, 1743, 2037, 3843, 5063, 5229, 5917, 6111, 8051, 15189, 17751, 24153, 35441, 41419, 45567, 53253, 56357, 72459, 106323, 124257, 169071, 318969, 372771, 491111, 507213, 1473333, 3437777, 4419999, 10313331, 30939993]

約数ペア:

[(1, 30939993), (3, 10313331), (7, 4419999), (9, 3437777), (21, 1473333), (61, 507213), (63, 491111), (83, 372771), (97, 318969), (183, 169071), (249, 124257), (291, 106323), (427, 72459), (549, 56357), (581, 53253), (679, 45567), (747, 41419), (873, 35441), (1281, 24153), (1743, 17751), (2037, 15189), (3843, 8051), (5063, 6111), (5229, 5917)]