105420015

素因数分解:

$3^3\times 5^1\times {\mathrm{780889}}^1$

素因数の和:780903

約数の個数: 16

約数和(自身を含む): 187413600

約数和(自身を除く): 81993585

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 780889, 2342667, 3904445, 7028001, 11713335, 21084003, 35140005, 105420015]

約数ペア:

[(1, 105420015), (3, 35140005), (5, 21084003), (9, 11713335), (15, 7028001), (27, 3904445), (45, 2342667), (135, 780889)]