31882779

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{3967}}^1$

素因数の和:4039

約数の個数: 24

約数和(自身を含む): 49520640

約数和(自身を除く): 17637861

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 423, 893, 2679, 3967, 8037, 11901, 35703, 75373, 186449, 226119, 559347, 678357, 1678041, 3542531, 10627593, 31882779]

約数ペア:

[(1, 31882779), (3, 10627593), (9, 3542531), (19, 1678041), (47, 678357), (57, 559347), (141, 226119), (171, 186449), (423, 75373), (893, 35703), (2679, 11901), (3967, 8037)]