289207779

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{4127}}^1$

素因数の和:4255

約数の個数: 32

約数和(自身を含む): 456523776

約数和(自身を除く): 167315997

約数列:

[1, 3, 7, 21, 47, 71, 141, 213, 329, 497, 987, 1491, 3337, 4127, 10011, 12381, 23359, 28889, 70077, 86667, 193969, 293017, 581907, 879051, 1357783, 2051119, 4073349, 6153357, 13771799, 41315397, 96402593, 289207779]

約数ペア:

[(1, 289207779), (3, 96402593), (7, 41315397), (21, 13771799), (47, 6153357), (71, 4073349), (141, 2051119), (213, 1357783), (329, 879051), (497, 581907), (987, 293017), (1491, 193969), (3337, 86667), (4127, 70077), (10011, 28889), (12381, 23359)]