66842181

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 117936000

約数和(自身を除く): 51093819

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 139, 153, 357, 417, 449, 973, 1071, 1251, 1347, 2363, 2919, 3143, 4041, 7089, 7633, 8757, 9429, 16541, 21267, 22899, 28287, 49623, 53431, 62411, 68697, 148869, 160293, 187233, 436877, 480879, 561699, 1060987, 1310631, 3182961, 3931893, 7426909, 9548883, 22280727, 66842181]

約数ペア:

[(1, 66842181), (3, 22280727), (7, 9548883), (9, 7426909), (17, 3931893), (21, 3182961), (51, 1310631), (63, 1060987), (119, 561699), (139, 480879), (153, 436877), (357, 187233), (417, 160293), (449, 148869), (973, 68697), (1071, 62411), (1251, 53431), (1347, 49623), (2363, 28287), (2919, 22899), (3143, 21267), (4041, 16541), (7089, 9429), (7633, 8757)]