155511265

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 235270656

約数和(自身を除く): 79759391

約数列:

[1, 5, 7, 13, 35, 61, 65, 91, 169, 305, 427, 431, 455, 793, 845, 1183, 2135, 2155, 3017, 3965, 5551, 5603, 5915, 10309, 15085, 26291, 27755, 28015, 39221, 51545, 72163, 72839, 131455, 184037, 196105, 341783, 360815, 364195, 509873, 920185, 1708915, 2392481, 2549365, 4443179, 11962405, 22215895, 31102253, 155511265]

約数ペア:

[(1, 155511265), (5, 31102253), (7, 22215895), (13, 11962405), (35, 4443179), (61, 2549365), (65, 2392481), (91, 1708915), (169, 920185), (305, 509873), (427, 364195), (431, 360815), (455, 341783), (793, 196105), (845, 184037), (1183, 131455), (2135, 72839), (2155, 72163), (3017, 51545), (3965, 39221), (5551, 28015), (5603, 27755), (5915, 26291), (10309, 15085)]