6639423

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 10570752

約数和(自身を除く): 3931329

約数列:

[1, 3, 7, 21, 61, 71, 73, 183, 213, 219, 427, 497, 511, 1281, 1491, 1533, 4331, 4453, 5183, 12993, 13359, 15549, 30317, 31171, 36281, 90951, 93513, 108843, 316163, 948489, 2213141, 6639423]

約数ペア:

[(1, 6639423), (3, 2213141), (7, 948489), (21, 316163), (61, 108843), (71, 93513), (73, 90951), (183, 36281), (213, 31171), (219, 30317), (427, 15549), (497, 13359), (511, 12993), (1281, 5183), (1491, 4453), (1533, 4331)]