51390855

素因数分解:

$3^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{613}}^1$

素因数の和:659

約数の個数: 56

約数和(自身を含む): 96638688

約数和(自身を除く): 45247833

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 243, 345, 405, 613, 621, 729, 1035, 1215, 1839, 1863, 3065, 3105, 3645, 5517, 5589, 9195, 9315, 14099, 16551, 16767, 27585, 27945, 42297, 49653, 70495, 82755, 83835, 126891, 148959, 211485, 248265, 380673, 446877, 634455, 744795, 1142019, 1903365, 2234385, 3426057, 5710095, 10278171, 17130285, 51390855]

約数ペア:

[(1, 51390855), (3, 17130285), (5, 10278171), (9, 5710095), (15, 3426057), (23, 2234385), (27, 1903365), (45, 1142019), (69, 744795), (81, 634455), (115, 446877), (135, 380673), (207, 248265), (243, 211485), (345, 148959), (405, 126891), (613, 83835), (621, 82755), (729, 70495), (1035, 49653), (1215, 42297), (1839, 27945), (1863, 27585), (3065, 16767), (3105, 16551), (3645, 14099), (5517, 9315), (5589, 9195)]