204987069

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{647}}^1$

素因数の和:814

約数の個数: 48

約数和(自身を含む): 349360128

約数和(自身を除く): 144373059

約数列:

[1, 3, 7, 9, 21, 47, 63, 107, 141, 321, 329, 423, 647, 749, 963, 987, 1941, 2247, 2961, 4529, 5029, 5823, 6741, 13587, 15087, 30409, 35203, 40761, 45261, 69229, 91227, 105609, 207687, 212863, 273681, 316827, 484603, 623061, 638589, 1453809, 1915767, 3253763, 4361427, 9761289, 22776341, 29283867, 68329023, 204987069]

約数ペア:

[(1, 204987069), (3, 68329023), (7, 29283867), (9, 22776341), (21, 9761289), (47, 4361427), (63, 3253763), (107, 1915767), (141, 1453809), (321, 638589), (329, 623061), (423, 484603), (647, 316827), (749, 273681), (963, 212863), (987, 207687), (1941, 105609), (2247, 91227), (2961, 69229), (4529, 45261), (5029, 40761), (5823, 35203), (6741, 30409), (13587, 15087)]