28981419

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{1321}}^1$

素因数の和:1498

約数の個数: 16

約数和(自身を含む): 39596544

約数和(自身を除く): 10615125

約数列:

[1, 3, 71, 103, 213, 309, 1321, 3963, 7313, 21939, 93791, 136063, 281373, 408189, 9660473, 28981419]

約数ペア:

[(1, 28981419), (3, 9660473), (71, 408189), (103, 281373), (213, 136063), (309, 93791), (1321, 21939), (3963, 7313)]