28591170069

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{890441}}^1$

素因数の和:890601

約数の個数: 32

約数和(自身を含む): 47870161920

約数和(自身を除く): 19278991851

約数列:

[1, 3, 7, 11, 21, 33, 77, 139, 231, 417, 973, 1529, 2919, 4587, 10703, 32109, 890441, 2671323, 6233087, 9794851, 18699261, 29384553, 68563957, 123771299, 205691871, 371313897, 866399093, 1361484289, 2599197279, 4084452867, 9530390023, 28591170069]

約数ペア:

[(1, 28591170069), (3, 9530390023), (7, 4084452867), (11, 2599197279), (21, 1361484289), (33, 866399093), (77, 371313897), (139, 205691871), (231, 123771299), (417, 68563957), (973, 29384553), (1529, 18699261), (2919, 9794851), (4587, 6233087), (10703, 2671323), (32109, 890441)]