16129281

素因数分解:

$3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{971}}^1$

素因数の和:1101

約数の個数: 24

約数和(自身を含む): 25264224

約数和(自身を除く): 9134943

約数列:

[1, 3, 7, 21, 49, 113, 147, 339, 791, 971, 2373, 2913, 5537, 6797, 16611, 20391, 47579, 109723, 142737, 329169, 768061, 2304183, 5376427, 16129281]

約数ペア:

[(1, 16129281), (3, 5376427), (7, 2304183), (21, 768061), (49, 329169), (113, 142737), (147, 109723), (339, 47579), (791, 20391), (971, 16611), (2373, 6797), (2913, 5537)]