28103901

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{4663}}^1$

素因数の和:4721

約数の個数: 24

約数和(自身を含む): 44662464

約数和(自身を除く): 16558563

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 4663, 6027, 13989, 32641, 97923, 191183, 228487, 573549, 685461, 1338281, 4014843, 9367967, 28103901]

約数ペア:

[(1, 28103901), (3, 9367967), (7, 4014843), (21, 1338281), (41, 685461), (49, 573549), (123, 228487), (147, 191183), (287, 97923), (861, 32641), (2009, 13989), (4663, 6027)]