28797873

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 42771456

約数和(自身を除く): 13973583

約数列:

[1, 3, 13, 39, 67, 103, 107, 201, 309, 321, 871, 1339, 1391, 2613, 4017, 4173, 6901, 7169, 11021, 20703, 21507, 33063, 89713, 93197, 143273, 269139, 279591, 429819, 738407, 2215221, 9599291, 28797873]

約数ペア:

[(1, 28797873), (3, 9599291), (13, 2215221), (39, 738407), (67, 429819), (103, 279591), (107, 269139), (201, 143273), (309, 93197), (321, 89713), (871, 33063), (1339, 21507), (1391, 20703), (2613, 11021), (4017, 7169), (4173, 6901)]