210564991

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{20477}}^1$

素因数の和:20610

約数の個数: 16

約数和(自身を含む): 261463104

約数和(自身を除く): 50898113

約数列:

[1, 7, 13, 91, 113, 791, 1469, 10283, 20477, 143339, 266201, 1863407, 2313901, 16197307, 30080713, 210564991]

約数ペア:

[(1, 210564991), (7, 30080713), (13, 16197307), (91, 2313901), (113, 1863407), (791, 266201), (1469, 143339), (10283, 20477)]