8640135

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 18063360

約数和(自身を除く): 9423225

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 41, 45, 63, 105, 123, 135, 189, 205, 223, 287, 315, 369, 615, 669, 861, 945, 1107, 1115, 1435, 1561, 1845, 2007, 2583, 3345, 4305, 4683, 5535, 6021, 7749, 7805, 9143, 10035, 12915, 14049, 23415, 27429, 30105, 38745, 42147, 45715, 64001, 70245, 82287, 137145, 192003, 210735, 246861, 320005, 411435, 576009, 960015, 1234305, 1728027, 2880045, 8640135]

約数ペア:

[(1, 8640135), (3, 2880045), (5, 1728027), (7, 1234305), (9, 960015), (15, 576009), (21, 411435), (27, 320005), (35, 246861), (41, 210735), (45, 192003), (63, 137145), (105, 82287), (123, 70245), (135, 64001), (189, 45715), (205, 42147), (223, 38745), (287, 30105), (315, 27429), (369, 23415), (615, 14049), (669, 12915), (861, 10035), (945, 9143), (1107, 7805), (1115, 7749), (1435, 6021), (1561, 5535), (1845, 4683), (2007, 4305), (2583, 3345)]