42647199

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{7841}}^1$

素因数の和:7895

約数の個数: 24

約数和(自身を含む): 67943088

約数和(自身を除く): 25295889

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 5439, 7841, 23523, 54887, 164661, 290117, 384209, 870351, 1152627, 2030819, 6092457, 14215733, 42647199]

約数ペア:

[(1, 42647199), (3, 14215733), (7, 6092457), (21, 2030819), (37, 1152627), (49, 870351), (111, 384209), (147, 290117), (259, 164661), (777, 54887), (1813, 23523), (5439, 7841)]