1289715945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{89657}}^1$

素因数の和:89809

約数の個数: 32

約数和(自身を含む): 2375578368

約数和(自身を除く): 1085862423

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 137, 411, 685, 959, 2055, 2877, 4795, 14385, 89657, 268971, 448285, 627599, 1344855, 1882797, 3137995, 9413985, 12283009, 36849027, 61415045, 85981063, 184245135, 257943189, 429905315, 1289715945]

約数ペア:

[(1, 1289715945), (3, 429905315), (5, 257943189), (7, 184245135), (15, 85981063), (21, 61415045), (35, 36849027), (105, 12283009), (137, 9413985), (411, 3137995), (685, 1882797), (959, 1344855), (2055, 627599), (2877, 448285), (4795, 268971), (14385, 89657)]