221623983

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{359}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 377395200

約数和(自身を除く): 155771217

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 239, 287, 359, 369, 717, 861, 1077, 1673, 2151, 2513, 2583, 3231, 5019, 7539, 9799, 14719, 15057, 22617, 29397, 44157, 68593, 85801, 88191, 103033, 132471, 205779, 257403, 309099, 600607, 617337, 772209, 927297, 1801821, 3517841, 5405463, 10553523, 24624887, 31660569, 73874661, 221623983]

約数ペア:

[(1, 221623983), (3, 73874661), (7, 31660569), (9, 24624887), (21, 10553523), (41, 5405463), (63, 3517841), (123, 1801821), (239, 927297), (287, 772209), (359, 617337), (369, 600607), (717, 309099), (861, 257403), (1077, 205779), (1673, 132471), (2151, 103033), (2513, 88191), (2583, 85801), (3231, 68593), (5019, 44157), (7539, 29397), (9799, 22617), (14719, 15057)]