3138219

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:579

約数の個数: 24

約数和(自身を含む): 5239520

約数和(自身を除く): 2101301

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 457, 763, 981, 1371, 2289, 3199, 4113, 6867, 9597, 28791, 49813, 149439, 348691, 448317, 1046073, 3138219]

約数ペア:

[(1, 3138219), (3, 1046073), (7, 448317), (9, 348691), (21, 149439), (63, 49813), (109, 28791), (327, 9597), (457, 6867), (763, 4113), (981, 3199), (1371, 2289)]