28893207

素因数分解:

$3^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{5077}}^1$

素因数の和:5358

約数の個数: 16

約数和(自身を含む): 44198912

約数和(自身を除く): 15305705

約数列:

[1, 3, 7, 21, 271, 813, 1897, 5077, 5691, 15231, 35539, 106617, 1375867, 4127601, 9631069, 28893207]

約数ペア:

[(1, 28893207), (3, 9631069), (7, 4127601), (21, 1375867), (271, 106617), (813, 35539), (1897, 15231), (5077, 5691)]