20219115

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{27509}}^1$

素因数の和:27531

約数の個数: 24

約数和(自身を含む): 37633680

約数和(自身を除く): 17414565

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 27509, 82527, 137545, 192563, 412635, 577689, 962815, 1347941, 2888445, 4043823, 6739705, 20219115]

約数ペア:

[(1, 20219115), (3, 6739705), (5, 4043823), (7, 2888445), (15, 1347941), (21, 962815), (35, 577689), (49, 412635), (105, 192563), (147, 137545), (245, 82527), (735, 27509)]