28202877

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:418

約数の個数: 32

約数和(自身を含む): 43680000

約数和(自身を除く): 15477123

約数列:

[1, 3, 9, 27, 29, 87, 181, 199, 261, 543, 597, 783, 1629, 1791, 4887, 5249, 5373, 5771, 15747, 17313, 36019, 47241, 51939, 108057, 141723, 155817, 324171, 972513, 1044551, 3133653, 9400959, 28202877]

約数ペア:

[(1, 28202877), (3, 9400959), (9, 3133653), (27, 1044551), (29, 972513), (87, 324171), (181, 155817), (199, 141723), (261, 108057), (543, 51939), (597, 47241), (783, 36019), (1629, 17313), (1791, 15747), (4887, 5771), (5249, 5373)]