28263183

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 42094080

約数和(自身を除く): 13830897

約数列:

[1, 3, 13, 39, 59, 71, 173, 177, 213, 519, 767, 923, 2249, 2301, 2769, 4189, 6747, 10207, 12283, 12567, 30621, 36849, 54457, 132691, 159679, 163371, 398073, 479037, 724697, 2174091, 9421061, 28263183]

約数ペア:

[(1, 28263183), (3, 9421061), (13, 2174091), (39, 724697), (59, 479037), (71, 398073), (173, 163371), (177, 159679), (213, 132691), (519, 54457), (767, 36849), (923, 30621), (2249, 12567), (2301, 12283), (2769, 10207), (4189, 6747)]