28903839

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{691}}^1$

素因数の和:958

約数の個数: 16

約数和(自身を含む): 39327744

約数和(自身を除く): 10423905

約数列:

[1, 3, 73, 191, 219, 573, 691, 2073, 13943, 41829, 50443, 131981, 151329, 395943, 9634613, 28903839]

約数ペア:

[(1, 28903839), (3, 9634613), (73, 395943), (191, 151329), (219, 131981), (573, 50443), (691, 41829), (2073, 13943)]