28386969

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1321}}^1$

素因数の和:1385

約数の個数: 32

約数和(自身を含む): 44419200

約数和(自身を除く): 16032231

約数列:

[1, 3, 13, 19, 29, 39, 57, 87, 247, 377, 551, 741, 1131, 1321, 1653, 3963, 7163, 17173, 21489, 25099, 38309, 51519, 75297, 114927, 326287, 498017, 727871, 978861, 1494051, 2183613, 9462323, 28386969]

約数ペア:

[(1, 28386969), (3, 9462323), (13, 2183613), (19, 1494051), (29, 978861), (39, 727871), (57, 498017), (87, 326287), (247, 114927), (377, 75297), (551, 51519), (741, 38309), (1131, 25099), (1321, 21489), (1653, 17173), (3963, 7163)]