280993455

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22381}}^1$

素因数の和:22429

約数の個数: 40

約数和(自身を含む): 519978624

約数和(自身を除く): 238985169

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 279, 405, 465, 837, 1395, 2511, 4185, 12555, 22381, 67143, 111905, 201429, 335715, 604287, 693811, 1007145, 1812861, 2081433, 3021435, 3469055, 6244299, 9064305, 10407165, 18732897, 31221495, 56198691, 93664485, 280993455]

約数ペア:

[(1, 280993455), (3, 93664485), (5, 56198691), (9, 31221495), (15, 18732897), (27, 10407165), (31, 9064305), (45, 6244299), (81, 3469055), (93, 3021435), (135, 2081433), (155, 1812861), (279, 1007145), (405, 693811), (465, 604287), (837, 335715), (1395, 201429), (2511, 111905), (4185, 67143), (12555, 22381)]