221457543

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{773}}^1$

素因数の和:931

約数の個数: 32

約数和(自身を含む): 317649600

約数和(自身を除く): 96192057

約数列:

[1, 3, 29, 37, 87, 89, 111, 267, 773, 1073, 2319, 2581, 3219, 3293, 7743, 9879, 22417, 28601, 67251, 68797, 85803, 95497, 206391, 286491, 829429, 1995113, 2488287, 2545489, 5985339, 7636467, 73819181, 221457543]

約数ペア:

[(1, 221457543), (3, 73819181), (29, 7636467), (37, 5985339), (87, 2545489), (89, 2488287), (111, 1995113), (267, 829429), (773, 286491), (1073, 206391), (2319, 95497), (2581, 85803), (3219, 68797), (3293, 67251), (7743, 28601), (9879, 22417)]