28311615

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{33113}}^1$

素因数の和:33143

約数の個数: 24

約数和(自身を含む): 51657840

約数和(自身を除く): 23346225

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 33113, 99339, 165565, 298017, 496695, 629147, 1490085, 1887441, 3145735, 5662323, 9437205, 28311615]

約数ペア:

[(1, 28311615), (3, 9437205), (5, 5662323), (9, 3145735), (15, 1887441), (19, 1490085), (45, 629147), (57, 496695), (95, 298017), (171, 165565), (285, 99339), (855, 33113)]