209439111

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{5657}}^1$

素因数の和:5751

約数の個数: 32

約数和(自身を含む): 334591488

約数和(自身を除く): 125152377

約数列:

[1, 3, 7, 21, 41, 43, 123, 129, 287, 301, 861, 903, 1763, 5289, 5657, 12341, 16971, 37023, 39599, 118797, 231937, 243251, 695811, 729753, 1623559, 1702757, 4870677, 5108271, 9973291, 29919873, 69813037, 209439111]

約数ペア:

[(1, 209439111), (3, 69813037), (7, 29919873), (21, 9973291), (41, 5108271), (43, 4870677), (123, 1702757), (129, 1623559), (287, 729753), (301, 695811), (861, 243251), (903, 231937), (1763, 118797), (5289, 39599), (5657, 37023), (12341, 16971)]