31519839

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{31}}^2$

素因数の和:136

約数の個数: 36

約数和(自身を含む): 48434568

約数和(自身を除く): 16914729

約数列:

[1, 3, 13, 29, 31, 39, 87, 93, 377, 403, 841, 899, 961, 1131, 1209, 2523, 2697, 2883, 10933, 11687, 12493, 26071, 27869, 32799, 35061, 37479, 78213, 83607, 338923, 362297, 808201, 1016769, 1086891, 2424603, 10506613, 31519839]

約数ペア:

[(1, 31519839), (3, 10506613), (13, 2424603), (29, 1086891), (31, 1016769), (39, 808201), (87, 362297), (93, 338923), (377, 83607), (403, 78213), (841, 37479), (899, 35061), (961, 32799), (1131, 27869), (1209, 26071), (2523, 12493), (2697, 11687), (2883, 10933)]