821679237

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 1251694080

約数和(自身を除く): 430014843

約数列:

[1, 3, 9, 41, 71, 79, 123, 213, 237, 369, 397, 639, 711, 1191, 2911, 3239, 3573, 5609, 8733, 9717, 16277, 16827, 26199, 28187, 29151, 31363, 48831, 50481, 84561, 94089, 146493, 229969, 253683, 282267, 689907, 1155667, 1285883, 2069721, 2226773, 3467001, 3857649, 6680319, 10401003, 11572947, 20040957, 91297693, 273893079, 821679237]

約数ペア:

[(1, 821679237), (3, 273893079), (9, 91297693), (41, 20040957), (71, 11572947), (79, 10401003), (123, 6680319), (213, 3857649), (237, 3467001), (369, 2226773), (397, 2069721), (639, 1285883), (711, 1155667), (1191, 689907), (2911, 282267), (3239, 253683), (3573, 229969), (5609, 146493), (8733, 94089), (9717, 84561), (16277, 50481), (16827, 48831), (26199, 31363), (28187, 29151)]