51245541

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 82083456

約数和(自身を除く): 30837915

約数列:

[1, 3, 9, 23, 27, 53, 69, 81, 159, 173, 207, 243, 477, 519, 621, 1219, 1431, 1557, 1863, 3657, 3979, 4293, 4671, 5589, 9169, 10971, 11937, 12879, 14013, 27507, 32913, 35811, 42039, 82521, 98739, 107433, 210887, 247563, 296217, 322299, 632661, 742689, 966897, 1897983, 2228067, 5693949, 17081847, 51245541]

約数ペア:

[(1, 51245541), (3, 17081847), (9, 5693949), (23, 2228067), (27, 1897983), (53, 966897), (69, 742689), (81, 632661), (159, 322299), (173, 296217), (207, 247563), (243, 210887), (477, 107433), (519, 98739), (621, 82521), (1219, 42039), (1431, 35811), (1557, 32913), (1863, 27507), (3657, 14013), (3979, 12879), (4293, 11937), (4671, 10971), (5589, 9169)]