281925315

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{28871}}^1$

素因数の和:28920

約数の個数: 48

約数和(自身を含む): 576516096

約数和(自身を除く): 294590781

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 217, 279, 315, 465, 651, 1085, 1395, 1953, 3255, 9765, 28871, 86613, 144355, 202097, 259839, 433065, 606291, 895001, 1010485, 1299195, 1818873, 2685003, 3031455, 4475005, 6265007, 8055009, 9094365, 13425015, 18795021, 31325035, 40275045, 56385063, 93975105, 281925315]

約数ペア:

[(1, 281925315), (3, 93975105), (5, 56385063), (7, 40275045), (9, 31325035), (15, 18795021), (21, 13425015), (31, 9094365), (35, 8055009), (45, 6265007), (63, 4475005), (93, 3031455), (105, 2685003), (155, 1818873), (217, 1299195), (279, 1010485), (315, 895001), (465, 606291), (651, 433065), (1085, 259839), (1395, 202097), (1953, 144355), (3255, 86613), (9765, 28871)]