78321015

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{32839}}^1$

素因数の和:32903

約数の個数: 24

約数和(自身を含む): 138322080

約数和(自身を除く): 60001065

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 795, 2385, 32839, 98517, 164195, 295551, 492585, 1477755, 1740467, 5221401, 8702335, 15664203, 26107005, 78321015]

約数ペア:

[(1, 78321015), (3, 26107005), (5, 15664203), (9, 8702335), (15, 5221401), (45, 1740467), (53, 1477755), (159, 492585), (265, 295551), (477, 164195), (795, 98517), (2385, 32839)]