201618861

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 308116224

約数和(自身を除く): 106497363

約数列:

[1, 3, 17, 19, 47, 51, 57, 141, 233, 323, 361, 699, 799, 893, 969, 1083, 2397, 2679, 3961, 4427, 6137, 10951, 11883, 13281, 15181, 16967, 18411, 32853, 45543, 50901, 75259, 84113, 186167, 208069, 225777, 252339, 288439, 558501, 624207, 865317, 1429921, 3537173, 3953311, 4289763, 10611519, 11859933, 67206287, 201618861]

約数ペア:

[(1, 201618861), (3, 67206287), (17, 11859933), (19, 10611519), (47, 4289763), (51, 3953311), (57, 3537173), (141, 1429921), (233, 865317), (323, 624207), (361, 558501), (699, 288439), (799, 252339), (893, 225777), (969, 208069), (1083, 186167), (2397, 84113), (2679, 75259), (3961, 50901), (4427, 45543), (6137, 32853), (10951, 18411), (11883, 16967), (13281, 15181)]