28197351

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{34429}}^1$

素因数の和:34455

約数の個数: 24

約数和(自身を含む): 50130080

約数和(自身を除く): 21932729

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 34429, 103287, 241003, 309861, 447577, 723009, 1342731, 2169027, 3133039, 4028193, 9399117, 28197351]

約数ペア:

[(1, 28197351), (3, 9399117), (7, 4028193), (9, 3133039), (13, 2169027), (21, 1342731), (39, 723009), (63, 447577), (91, 309861), (117, 241003), (273, 103287), (819, 34429)]