127978191

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{911}}^1$

素因数の和:985

約数の個数: 48

約数和(自身を含む): 213480960

約数和(自身を除く): 85502769

約数列:

[1, 3, 9, 11, 27, 33, 43, 99, 121, 129, 297, 363, 387, 473, 911, 1089, 1161, 1419, 2733, 3267, 4257, 5203, 8199, 10021, 12771, 15609, 24597, 30063, 39173, 46827, 90189, 110231, 117519, 140481, 270567, 330693, 352557, 430903, 992079, 1057671, 1292709, 2976237, 3878127, 4739933, 11634381, 14219799, 42659397, 127978191]

約数ペア:

[(1, 127978191), (3, 42659397), (9, 14219799), (11, 11634381), (27, 4739933), (33, 3878127), (43, 2976237), (99, 1292709), (121, 1057671), (129, 992079), (297, 430903), (363, 352557), (387, 330693), (473, 270567), (911, 140481), (1089, 117519), (1161, 110231), (1419, 90189), (2733, 46827), (3267, 39173), (4257, 30063), (5203, 24597), (8199, 15609), (10021, 12771)]