2780084349

素因数分解:

$3^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{44983}}^1$

素因数の和:45111

約数の個数: 40

約数和(自身を含む): 4789896320

約数和(自身を除く): 2009811971

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 109, 189, 327, 567, 763, 981, 2289, 2943, 6867, 8829, 20601, 44983, 61803, 134949, 314881, 404847, 944643, 1214541, 2833929, 3643623, 4903147, 8501787, 14709441, 25505361, 34322029, 44128323, 102966087, 132384969, 308898261, 397154907, 926694783, 2780084349]

約数ペア:

[(1, 2780084349), (3, 926694783), (7, 397154907), (9, 308898261), (21, 132384969), (27, 102966087), (63, 44128323), (81, 34322029), (109, 25505361), (189, 14709441), (327, 8501787), (567, 4903147), (763, 3643623), (981, 2833929), (2289, 1214541), (2943, 944643), (6867, 404847), (8829, 314881), (20601, 134949), (44983, 61803)]