2156805

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 4402944

約数和(自身を除く): 2246139

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 41, 45, 63, 105, 123, 167, 205, 287, 315, 369, 501, 615, 835, 861, 1169, 1435, 1503, 1845, 2505, 2583, 3507, 4305, 5845, 6847, 7515, 10521, 12915, 17535, 20541, 34235, 47929, 52605, 61623, 102705, 143787, 239645, 308115, 431361, 718935, 2156805]

約数ペア:

[(1, 2156805), (3, 718935), (5, 431361), (7, 308115), (9, 239645), (15, 143787), (21, 102705), (35, 61623), (41, 52605), (45, 47929), (63, 34235), (105, 20541), (123, 17535), (167, 12915), (205, 10521), (287, 7515), (315, 6847), (369, 5845), (501, 4305), (615, 3507), (835, 2583), (861, 2505), (1169, 1845), (1435, 1503)]