225262917

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{191}}^1$

素因数の和:260

約数の個数: 72

約数和(自身を含む): 389168640

約数和(自身を除く): 163905723

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 121, 171, 191, 209, 297, 361, 363, 513, 573, 627, 1083, 1089, 1719, 1881, 2101, 2299, 3249, 3267, 3629, 3971, 5157, 5643, 6303, 6897, 9747, 10887, 11913, 18909, 20691, 23111, 32661, 35739, 39919, 43681, 56727, 62073, 68951, 69333, 97983, 107217, 119757, 131043, 206853, 207999, 359271, 393129, 439109, 620559, 623997, 758461, 1077813, 1179387, 1317327, 1861677, 2275383, 3951981, 6826149, 8343071, 11855943, 20478447, 25029213, 75087639, 225262917]

約数ペア:

[(1, 225262917), (3, 75087639), (9, 25029213), (11, 20478447), (19, 11855943), (27, 8343071), (33, 6826149), (57, 3951981), (99, 2275383), (121, 1861677), (171, 1317327), (191, 1179387), (209, 1077813), (297, 758461), (361, 623997), (363, 620559), (513, 439109), (573, 393129), (627, 359271), (1083, 207999), (1089, 206853), (1719, 131043), (1881, 119757), (2101, 107217), (2299, 97983), (3249, 69333), (3267, 68951), (3629, 62073), (3971, 56727), (5157, 43681), (5643, 39919), (6303, 35739), (6897, 32661), (9747, 23111), (10887, 20691), (11913, 18909)]