408020517

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{2879}}^1$

素因数の和:3098

約数の個数: 32

約数和(自身を含む): 628992000

約数和(自身を除く): 220971483

約数列:

[1, 3, 9, 27, 29, 87, 181, 261, 543, 783, 1629, 2879, 4887, 5249, 8637, 15747, 25911, 47241, 77733, 83491, 141723, 250473, 521099, 751419, 1563297, 2254257, 4689891, 14069673, 15111871, 45335613, 136006839, 408020517]

約数ペア:

[(1, 408020517), (3, 136006839), (9, 45335613), (27, 15111871), (29, 14069673), (87, 4689891), (181, 2254257), (261, 1563297), (543, 751419), (783, 521099), (1629, 250473), (2879, 141723), (4887, 83491), (5249, 77733), (8637, 47241), (15747, 25911)]