28078323

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{2099}}^1$

素因数の和:2136

約数の個数: 32

約数和(自身を含む): 47040000

約数和(自身を除く): 18961677

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 637, 1029, 1911, 2099, 4459, 6297, 13377, 14693, 27287, 44079, 81861, 102851, 191009, 308553, 573027, 719957, 1337063, 2159871, 4011189, 9359441, 28078323]

約数ペア:

[(1, 28078323), (3, 9359441), (7, 4011189), (13, 2159871), (21, 1337063), (39, 719957), (49, 573027), (91, 308553), (147, 191009), (273, 102851), (343, 81861), (637, 44079), (1029, 27287), (1911, 14693), (2099, 13377), (4459, 6297)]