205740987

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{3169}}^1$

素因数の和:3275

約数の個数: 32

約数和(自身を含む): 310406400

約数和(自身を除く): 104665413

約数列:

[1, 3, 17, 19, 51, 57, 67, 201, 323, 969, 1139, 1273, 3169, 3417, 3819, 9507, 21641, 53873, 60211, 64923, 161619, 180633, 212323, 636969, 1023587, 3070761, 3609491, 4034137, 10828473, 12102411, 68580329, 205740987]

約数ペア:

[(1, 205740987), (3, 68580329), (17, 12102411), (19, 10828473), (51, 4034137), (57, 3609491), (67, 3070761), (201, 1023587), (323, 636969), (969, 212323), (1139, 180633), (1273, 161619), (3169, 64923), (3417, 60211), (3819, 53873), (9507, 21641)]