28275705

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{33071}}^1$

素因数の和:33101

約数の個数: 24

約数和(自身を含む): 51592320

約数和(自身を除く): 23316615

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 33071, 99213, 165355, 297639, 496065, 628349, 1488195, 1885047, 3141745, 5655141, 9425235, 28275705]

約数ペア:

[(1, 28275705), (3, 9425235), (5, 5655141), (9, 3141745), (15, 1885047), (19, 1488195), (45, 628349), (57, 496065), (95, 297639), (171, 165355), (285, 99213), (855, 33071)]