220157541

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 366796800

約数和(自身を除く): 146639259

約数列:

[1, 3, 9, 19, 23, 27, 47, 57, 69, 141, 171, 207, 397, 423, 437, 513, 621, 893, 1081, 1191, 1269, 1311, 2679, 3243, 3573, 3933, 7543, 8037, 9131, 9729, 10719, 11799, 18659, 20539, 22629, 24111, 27393, 29187, 55977, 61617, 67887, 82179, 167931, 173489, 184851, 203661, 246537, 354521, 429157, 503793, 520467, 554553, 1063563, 1287471, 1561401, 3190689, 3862413, 4684203, 8153983, 9572067, 11587239, 24461949, 73385847, 220157541]

約数ペア:

[(1, 220157541), (3, 73385847), (9, 24461949), (19, 11587239), (23, 9572067), (27, 8153983), (47, 4684203), (57, 3862413), (69, 3190689), (141, 1561401), (171, 1287471), (207, 1063563), (397, 554553), (423, 520467), (437, 503793), (513, 429157), (621, 354521), (893, 246537), (1081, 203661), (1191, 184851), (1269, 173489), (1311, 167931), (2679, 82179), (3243, 67887), (3573, 61617), (3933, 55977), (7543, 29187), (8037, 27393), (9131, 24111), (9729, 22629), (10719, 20539), (11799, 18659)]