28516935

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 47355840

約数和(自身を除く): 18838905

約数列:

[1, 3, 5, 15, 41, 89, 123, 205, 267, 445, 521, 615, 1335, 1563, 2605, 3649, 7815, 10947, 18245, 21361, 46369, 54735, 64083, 106805, 139107, 231845, 320415, 695535, 1901129, 5703387, 9505645, 28516935]

約数ペア:

[(1, 28516935), (3, 9505645), (5, 5703387), (15, 1901129), (41, 695535), (89, 320415), (123, 231845), (205, 139107), (267, 106805), (445, 64083), (521, 54735), (615, 46369), (1335, 21361), (1563, 18245), (2605, 10947), (3649, 7815)]