213055191

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{25537}}^1$

素因数の和:25652

約数の個数: 20

約数和(自身を含む): 321370192

約数和(自身を除く): 108315001

約数列:

[1, 3, 9, 27, 81, 103, 309, 927, 2781, 8343, 25537, 76611, 229833, 689499, 2068497, 2630311, 7890933, 23672799, 71018397, 213055191]

約数ペア:

[(1, 213055191), (3, 71018397), (9, 23672799), (27, 7890933), (81, 2630311), (103, 2068497), (309, 689499), (927, 229833), (2781, 76611), (8343, 25537)]