28679511

素因数分解:

$3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{5441}}^1$

素因数の和:5702

約数の個数: 16

約数和(自身を含む): 43884288

約数和(自身を除く): 15204777

約数列:

[1, 3, 7, 21, 251, 753, 1757, 5271, 5441, 16323, 38087, 114261, 1365691, 4097073, 9559837, 28679511]

約数ペア:

[(1, 28679511), (3, 9559837), (7, 4097073), (21, 1365691), (251, 114261), (753, 38087), (1757, 16323), (5271, 5441)]