12915945

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{313}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 25863552

約数和(自身を除く): 12947607

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 131, 313, 315, 393, 655, 917, 939, 1179, 1565, 1965, 2191, 2751, 2817, 4585, 4695, 5895, 6573, 8253, 10955, 13755, 14085, 19719, 32865, 41003, 41265, 98595, 123009, 205015, 287021, 369027, 615045, 861063, 1435105, 1845135, 2583189, 4305315, 12915945]

約数ペア:

[(1, 12915945), (3, 4305315), (5, 2583189), (7, 1845135), (9, 1435105), (15, 861063), (21, 615045), (35, 369027), (45, 287021), (63, 205015), (105, 123009), (131, 98595), (313, 41265), (315, 41003), (393, 32865), (655, 19719), (917, 14085), (939, 13755), (1179, 10955), (1565, 8253), (1965, 6573), (2191, 5895), (2751, 4695), (2817, 4585)]