31008915

素因数分解:

$3^2\times 5^1\times 7^5\times {\mathrm{41}}^1$

素因数の和:87

約数の個数: 72

約数和(自身を含む): 64235808

約数和(自身を除く): 33226893

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 41, 45, 49, 63, 105, 123, 147, 205, 245, 287, 315, 343, 369, 441, 615, 735, 861, 1029, 1435, 1715, 1845, 2009, 2205, 2401, 2583, 3087, 4305, 5145, 6027, 7203, 10045, 12005, 12915, 14063, 15435, 16807, 18081, 21609, 30135, 36015, 42189, 50421, 70315, 84035, 90405, 98441, 108045, 126567, 151263, 210945, 252105, 295323, 492205, 632835, 689087, 756315, 885969, 1476615, 2067261, 3445435, 4429845, 6201783, 10336305, 31008915]

約数ペア:

[(1, 31008915), (3, 10336305), (5, 6201783), (7, 4429845), (9, 3445435), (15, 2067261), (21, 1476615), (35, 885969), (41, 756315), (45, 689087), (49, 632835), (63, 492205), (105, 295323), (123, 252105), (147, 210945), (205, 151263), (245, 126567), (287, 108045), (315, 98441), (343, 90405), (369, 84035), (441, 70315), (615, 50421), (735, 42189), (861, 36015), (1029, 30135), (1435, 21609), (1715, 18081), (1845, 16807), (2009, 15435), (2205, 14063), (2401, 12915), (2583, 12005), (3087, 10045), (4305, 7203), (5145, 6027)]