1281681855

素因数分解:

$3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{479}}^1\times {\mathrm{613}}^1$

素因数の和:1200

約数の個数: 48

約数和(自身を含む): 2252839680

約数和(自身を除く): 971157825

約数列:

[1, 3, 5, 9, 15, 45, 97, 291, 479, 485, 613, 873, 1437, 1455, 1839, 2395, 3065, 4311, 4365, 5517, 7185, 9195, 21555, 27585, 46463, 59461, 139389, 178383, 232315, 293627, 297305, 418167, 535149, 696945, 880881, 891915, 1468135, 2090835, 2642643, 2675745, 4404405, 13213215, 28481819, 85445457, 142409095, 256336371, 427227285, 1281681855]

約数ペア:

[(1, 1281681855), (3, 427227285), (5, 256336371), (9, 142409095), (15, 85445457), (45, 28481819), (97, 13213215), (291, 4404405), (479, 2675745), (485, 2642643), (613, 2090835), (873, 1468135), (1437, 891915), (1455, 880881), (1839, 696945), (2395, 535149), (3065, 418167), (4311, 297305), (4365, 293627), (5517, 232315), (7185, 178383), (9195, 139389), (21555, 59461), (27585, 46463)]