28656663

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{401}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 45384192

約数和(自身を除く): 16727529

約数列:

[1, 3, 7, 21, 41, 83, 123, 249, 287, 401, 581, 861, 1203, 1743, 2807, 3403, 8421, 10209, 16441, 23821, 33283, 49323, 71463, 99849, 115087, 232981, 345261, 698943, 1364603, 4093809, 9552221, 28656663]

約数ペア:

[(1, 28656663), (3, 9552221), (7, 4093809), (21, 1364603), (41, 698943), (83, 345261), (123, 232981), (249, 115087), (287, 99849), (401, 71463), (581, 49323), (861, 33283), (1203, 23821), (1743, 16441), (2807, 10209), (3403, 8421)]