290761245

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23159}}^1$

素因数の和:23207

約数の個数: 40

約数和(自身を含む): 538053120

約数和(自身を除く): 247291875

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 279, 405, 465, 837, 1395, 2511, 4185, 12555, 23159, 69477, 115795, 208431, 347385, 625293, 717929, 1042155, 1875879, 2153787, 3126465, 3589645, 6461361, 9379395, 10768935, 19384083, 32306805, 58152249, 96920415, 290761245]

約数ペア:

[(1, 290761245), (3, 96920415), (5, 58152249), (9, 32306805), (15, 19384083), (27, 10768935), (31, 9379395), (45, 6461361), (81, 3589645), (93, 3126465), (135, 2153787), (155, 1875879), (279, 1042155), (405, 717929), (465, 625293), (837, 347385), (1395, 208431), (2511, 115795), (4185, 69477), (12555, 23159)]