28740255

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3253}}^1$

素因数の和:3311

約数の個数: 32

約数和(自身を含む): 49981440

約数和(自身を除く): 21241185

約数列:

[1, 3, 5, 15, 19, 31, 57, 93, 95, 155, 285, 465, 589, 1767, 2945, 3253, 8835, 9759, 16265, 48795, 61807, 100843, 185421, 302529, 309035, 504215, 927105, 1512645, 1916017, 5748051, 9580085, 28740255]

約数ペア:

[(1, 28740255), (3, 9580085), (5, 5748051), (15, 1916017), (19, 1512645), (31, 927105), (57, 504215), (93, 309035), (95, 302529), (155, 185421), (285, 100843), (465, 61807), (589, 48795), (1767, 16265), (2945, 9759), (3253, 8835)]