1261476531

素因数分解:

$3^3\times 7^2\times {\mathrm{953497}}^1$

素因数の和:953520

約数の個数: 24

約数和(自身を含む): 2173975440

約数和(自身を除く): 912498909

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 953497, 2860491, 6674479, 8581473, 20023437, 25744419, 46721353, 60070311, 140164059, 180210933, 420492177, 1261476531]

約数ペア:

[(1, 1261476531), (3, 420492177), (7, 180210933), (9, 140164059), (21, 60070311), (27, 46721353), (49, 25744419), (63, 20023437), (147, 8581473), (189, 6674479), (441, 2860491), (1323, 953497)]