3131739

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:132

約数の個数: 36

約数和(自身を含む): 5138640

約数和(自身を除く): 2006901

約数列:

[1, 3, 9, 13, 29, 39, 71, 87, 117, 169, 213, 261, 377, 507, 639, 923, 1131, 1521, 2059, 2769, 3393, 4901, 6177, 8307, 11999, 14703, 18531, 26767, 35997, 44109, 80301, 107991, 240903, 347971, 1043913, 3131739]

約数ペア:

[(1, 3131739), (3, 1043913), (9, 347971), (13, 240903), (29, 107991), (39, 80301), (71, 44109), (87, 35997), (117, 26767), (169, 18531), (213, 14703), (261, 11999), (377, 8307), (507, 6177), (639, 4901), (923, 3393), (1131, 2769), (1521, 2059)]