31418739

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:253

約数の個数: 48

約数和(自身を含む): 52348800

約数和(自身を除く): 20930061

約数列:

[1, 3, 9, 11, 27, 33, 59, 99, 121, 163, 177, 297, 363, 489, 531, 649, 1089, 1467, 1593, 1793, 1947, 3267, 4401, 5379, 5841, 7139, 9617, 16137, 17523, 19723, 21417, 28851, 48411, 59169, 64251, 86553, 105787, 177507, 192753, 259659, 317361, 532521, 952083, 1163657, 2856249, 3490971, 10472913, 31418739]

約数ペア:

[(1, 31418739), (3, 10472913), (9, 3490971), (11, 2856249), (27, 1163657), (33, 952083), (59, 532521), (99, 317361), (121, 259659), (163, 192753), (177, 177507), (297, 105787), (363, 86553), (489, 64251), (531, 59169), (649, 48411), (1089, 28851), (1467, 21417), (1593, 19723), (1793, 17523), (1947, 16137), (3267, 9617), (4401, 7139), (5379, 5841)]