28921215

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{41023}}^1$

素因数の和:41078

約数の個数: 16

約数和(自身を含む): 47259648

約数和(自身を除く): 18338433

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 41023, 123069, 205115, 615345, 1928081, 5784243, 9640405, 28921215]

約数ペア:

[(1, 28921215), (3, 9640405), (5, 5784243), (15, 1928081), (47, 615345), (141, 205115), (235, 123069), (705, 41023)]