7251741

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 64

約数和(自身を含む): 13570560

約数和(自身を除く): 6318819

約数列:

[1, 3, 7, 9, 17, 21, 27, 37, 51, 61, 63, 111, 119, 153, 183, 189, 259, 333, 357, 427, 459, 549, 629, 777, 999, 1037, 1071, 1281, 1647, 1887, 2257, 2331, 3111, 3213, 3843, 4403, 5661, 6771, 6993, 7259, 9333, 11529, 13209, 15799, 16983, 20313, 21777, 27999, 38369, 39627, 47397, 60939, 65331, 115107, 118881, 142191, 195993, 268583, 345321, 426573, 805749, 1035963, 2417247, 7251741]

約数ペア:

[(1, 7251741), (3, 2417247), (7, 1035963), (9, 805749), (17, 426573), (21, 345321), (27, 268583), (37, 195993), (51, 142191), (61, 118881), (63, 115107), (111, 65331), (119, 60939), (153, 47397), (183, 39627), (189, 38369), (259, 27999), (333, 21777), (357, 20313), (427, 16983), (459, 15799), (549, 13209), (629, 11529), (777, 9333), (999, 7259), (1037, 6993), (1071, 6771), (1281, 5661), (1647, 4403), (1887, 3843), (2257, 3213), (2331, 3111)]