28281405

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{99233}}^1$

素因数の和:99260

約数の個数: 16

約数和(自身を含む): 47632320

約数和(自身を除く): 19350915

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 99233, 297699, 496165, 1488495, 1885427, 5656281, 9427135, 28281405]

約数ペア:

[(1, 28281405), (3, 9427135), (5, 5656281), (15, 1885427), (19, 1488495), (57, 496165), (95, 297699), (285, 99233)]