1295805

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:106

約数の個数: 48

約数和(自身を含む): 2528064

約数和(自身を除く): 1232259

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 43, 49, 105, 123, 129, 147, 205, 215, 245, 287, 301, 615, 645, 735, 861, 903, 1435, 1505, 1763, 2009, 2107, 4305, 4515, 5289, 6027, 6321, 8815, 10045, 10535, 12341, 26445, 30135, 31605, 37023, 61705, 86387, 185115, 259161, 431935, 1295805]

約数ペア:

[(1, 1295805), (3, 431935), (5, 259161), (7, 185115), (15, 86387), (21, 61705), (35, 37023), (41, 31605), (43, 30135), (49, 26445), (105, 12341), (123, 10535), (129, 10045), (147, 8815), (205, 6321), (215, 6027), (245, 5289), (287, 4515), (301, 4305), (615, 2107), (645, 2009), (735, 1763), (861, 1505), (903, 1435)]