278312145

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{6691}}^1$

素因数の和:6805

約数の個数: 32

約数和(自身を含む): 462551040

約数和(自身を除く): 184238895

約数列:

[1, 3, 5, 15, 47, 59, 141, 177, 235, 295, 705, 885, 2773, 6691, 8319, 13865, 20073, 33455, 41595, 100365, 314477, 394769, 943431, 1184307, 1572385, 1973845, 4717155, 5921535, 18554143, 55662429, 92770715, 278312145]

約数ペア:

[(1, 278312145), (3, 92770715), (5, 55662429), (15, 18554143), (47, 5921535), (59, 4717155), (141, 1973845), (177, 1572385), (235, 1184307), (295, 943431), (705, 394769), (885, 314477), (2773, 100365), (6691, 41595), (8319, 33455), (13865, 20073)]