220185945

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{25889}}^1$

素因数の和:25916

約数の個数: 48

約数和(自身を含む): 452350080

約数和(自身を除く): 232164135

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 945, 1215, 1701, 2835, 8505, 25889, 77667, 129445, 181223, 233001, 388335, 543669, 699003, 906115, 1165005, 1631007, 2097009, 2718345, 3495015, 4893021, 6291027, 8155035, 10485045, 14679063, 24465105, 31455135, 44037189, 73395315, 220185945]

約数ペア:

[(1, 220185945), (3, 73395315), (5, 44037189), (7, 31455135), (9, 24465105), (15, 14679063), (21, 10485045), (27, 8155035), (35, 6291027), (45, 4893021), (63, 3495015), (81, 2718345), (105, 2097009), (135, 1631007), (189, 1165005), (243, 906115), (315, 699003), (405, 543669), (567, 388335), (945, 233001), (1215, 181223), (1701, 129445), (2835, 77667), (8505, 25889)]