279156987

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1373}}^1$

素因数の和:1468

約数の個数: 48

約数和(自身を含む): 450122400

約数和(自身を除く): 170965413

約数列:

[1, 3, 9, 19, 29, 41, 57, 87, 123, 171, 261, 369, 551, 779, 1189, 1373, 1653, 2337, 3567, 4119, 4959, 7011, 10701, 12357, 22591, 26087, 39817, 56293, 67773, 78261, 119451, 168879, 203319, 234783, 358353, 506637, 756523, 1069567, 1632497, 2269569, 3208701, 4897491, 6808707, 9626103, 14692473, 31017443, 93052329, 279156987]

約数ペア:

[(1, 279156987), (3, 93052329), (9, 31017443), (19, 14692473), (29, 9626103), (41, 6808707), (57, 4897491), (87, 3208701), (123, 2269569), (171, 1632497), (261, 1069567), (369, 756523), (551, 506637), (779, 358353), (1189, 234783), (1373, 203319), (1653, 168879), (2337, 119451), (3567, 78261), (4119, 67773), (4959, 56293), (7011, 39817), (10701, 26087), (12357, 22591)]