210977991

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{467}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 357447168

約数和(自身を除く): 146469177

約数列:

[1, 3, 7, 9, 21, 63, 71, 101, 213, 303, 467, 497, 639, 707, 909, 1401, 1491, 2121, 3269, 4203, 4473, 6363, 7171, 9807, 21513, 29421, 33157, 47167, 50197, 64539, 99471, 141501, 150591, 232099, 298413, 330169, 424503, 451773, 696297, 990507, 2088891, 2971521, 3348857, 10046571, 23441999, 30139713, 70325997, 210977991]

約数ペア:

[(1, 210977991), (3, 70325997), (7, 30139713), (9, 23441999), (21, 10046571), (63, 3348857), (71, 2971521), (101, 2088891), (213, 990507), (303, 696297), (467, 451773), (497, 424503), (639, 330169), (707, 298413), (909, 232099), (1401, 150591), (1491, 141501), (2121, 99471), (3269, 64539), (4203, 50197), (4473, 47167), (6363, 33157), (7171, 29421), (9807, 21513)]