18200052015

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{520969}}^1$

素因数の和:521131

約数の個数: 32

約数和(自身を含む): 31058147520

約数和(自身を除く): 12858095505

約数列:

[1, 3, 5, 15, 17, 51, 85, 137, 255, 411, 685, 2055, 2329, 6987, 11645, 34935, 520969, 1562907, 2604845, 7814535, 8856473, 26569419, 44282365, 71372753, 132847095, 214118259, 356863765, 1070591295, 1213336801, 3640010403, 6066684005, 18200052015]

約数ペア:

[(1, 18200052015), (3, 6066684005), (5, 3640010403), (15, 1213336801), (17, 1070591295), (51, 356863765), (85, 214118259), (137, 132847095), (255, 71372753), (411, 44282365), (685, 26569419), (2055, 8856473), (2329, 7814535), (6987, 2604845), (11645, 1562907), (34935, 520969)]