129156699

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{353}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 213079680

約数和(自身を除く): 83922981

約数列:

[1, 3, 7, 19, 21, 49, 57, 131, 133, 147, 353, 393, 399, 917, 931, 1059, 2471, 2489, 2751, 2793, 6419, 6707, 7413, 7467, 17297, 17423, 19257, 20121, 46243, 46949, 51891, 52269, 121961, 138729, 140847, 323701, 328643, 365883, 878617, 971103, 985929, 2265907, 2635851, 6150319, 6797721, 18450957, 43052233, 129156699]

約数ペア:

[(1, 129156699), (3, 43052233), (7, 18450957), (19, 6797721), (21, 6150319), (49, 2635851), (57, 2265907), (131, 985929), (133, 971103), (147, 878617), (353, 365883), (393, 328643), (399, 323701), (917, 140847), (931, 138729), (1059, 121961), (2471, 52269), (2489, 51891), (2751, 46949), (2793, 46243), (6419, 20121), (6707, 19257), (7413, 17423), (7467, 17297)]