87869649

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{701}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 138018816

約数和(自身を除く): 50149167

約数列:

[1, 3, 7, 21, 47, 127, 141, 329, 381, 701, 889, 987, 2103, 2667, 4907, 5969, 14721, 17907, 32947, 41783, 89027, 98841, 125349, 230629, 267081, 623189, 691887, 1869567, 4184269, 12552807, 29289883, 87869649]

約数ペア:

[(1, 87869649), (3, 29289883), (7, 12552807), (21, 4184269), (47, 1869567), (127, 691887), (141, 623189), (329, 267081), (381, 230629), (701, 125349), (889, 98841), (987, 89027), (2103, 41783), (2667, 32947), (4907, 17907), (5969, 14721)]