28408059

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 46725120

約数和(自身を除く): 18317061

約数列:

[1, 3, 9, 19, 23, 31, 57, 69, 93, 171, 207, 233, 279, 437, 589, 699, 713, 1311, 1767, 2097, 2139, 3933, 4427, 5301, 5359, 6417, 7223, 13281, 13547, 16077, 21669, 39843, 40641, 48231, 65007, 101821, 121923, 137237, 166129, 305463, 411711, 498387, 916389, 1235133, 1495161, 3156451, 9469353, 28408059]

約数ペア:

[(1, 28408059), (3, 9469353), (9, 3156451), (19, 1495161), (23, 1235133), (31, 916389), (57, 498387), (69, 411711), (93, 305463), (171, 166129), (207, 137237), (233, 121923), (279, 101821), (437, 65007), (589, 48231), (699, 40641), (713, 39843), (1311, 21669), (1767, 16077), (2097, 13547), (2139, 13281), (3933, 7223), (4427, 6417), (5301, 5359)]