28384377

素因数分解:

$3^1\times 7^2\times {\mathrm{353}}^1\times {\mathrm{547}}^1$

素因数の和:917

約数の個数: 24

約数和(自身を含む): 44230176

約数和(自身を除く): 15845799

約数列:

[1, 3, 7, 21, 49, 147, 353, 547, 1059, 1641, 2471, 3829, 7413, 11487, 17297, 26803, 51891, 80409, 193091, 579273, 1351637, 4054911, 9461459, 28384377]

約数ペア:

[(1, 28384377), (3, 9461459), (7, 4054911), (21, 1351637), (49, 579273), (147, 193091), (353, 80409), (547, 51891), (1059, 26803), (1641, 17297), (2471, 11487), (3829, 7413)]