215550531

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{919}}^1$

素因数の和:1025

約数の個数: 64

約数和(自身を含む): 392140800

約数和(自身を除く): 176590269

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 73, 119, 153, 189, 219, 357, 459, 511, 657, 919, 1071, 1241, 1533, 1971, 2757, 3213, 3723, 4599, 6433, 8271, 8687, 11169, 13797, 15623, 19299, 24813, 26061, 33507, 46869, 57897, 67087, 78183, 109361, 140607, 173691, 201261, 234549, 328083, 421821, 469609, 603783, 984249, 1140479, 1408827, 1811349, 2952747, 3421437, 4226481, 7983353, 10264311, 12679443, 23950059, 30792933, 71850177, 215550531]

約数ペア:

[(1, 215550531), (3, 71850177), (7, 30792933), (9, 23950059), (17, 12679443), (21, 10264311), (27, 7983353), (51, 4226481), (63, 3421437), (73, 2952747), (119, 1811349), (153, 1408827), (189, 1140479), (219, 984249), (357, 603783), (459, 469609), (511, 421821), (657, 328083), (919, 234549), (1071, 201261), (1241, 173691), (1533, 140607), (1971, 109361), (2757, 78183), (3213, 67087), (3723, 57897), (4599, 46869), (6433, 33507), (8271, 26061), (8687, 24813), (11169, 19299), (13797, 15623)]