28978329

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1\times {\mathrm{491}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 39297024

約数和(自身を除く): 10318695

約数列:

[1, 3, 103, 191, 309, 491, 573, 1473, 19673, 50573, 59019, 93781, 151719, 281343, 9659443, 28978329]

約数ペア:

[(1, 28978329), (3, 9659443), (103, 281343), (191, 151719), (309, 93781), (491, 59019), (573, 50573), (1473, 19673)]