15011985

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{821}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 25567488

約数和(自身を除く): 10555503

約数列:

[1, 3, 5, 15, 23, 53, 69, 115, 159, 265, 345, 795, 821, 1219, 2463, 3657, 4105, 6095, 12315, 18285, 18883, 43513, 56649, 94415, 130539, 217565, 283245, 652695, 1000799, 3002397, 5003995, 15011985]

約数ペア:

[(1, 15011985), (3, 5003995), (5, 3002397), (15, 1000799), (23, 652695), (53, 283245), (69, 217565), (115, 130539), (159, 94415), (265, 56649), (345, 43513), (795, 18883), (821, 18285), (1219, 12315), (2463, 6095), (3657, 4105)]