221017107

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1\times {\mathrm{2311}}^1$

素因数の和:2834

約数の個数: 16

約数和(自身を含む): 299635200

約数和(自身を除く): 78618093

約数列:

[1, 3, 71, 213, 449, 1347, 2311, 6933, 31879, 95637, 164081, 492243, 1037639, 3112917, 73672369, 221017107]

約数ペア:

[(1, 221017107), (3, 73672369), (71, 3112917), (213, 1037639), (449, 492243), (1347, 164081), (2311, 95637), (6933, 31879)]