51208857

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{239}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 89856000

約数和(自身を除く): 38647143

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 179, 239, 399, 537, 717, 1197, 1253, 1611, 1673, 2151, 3401, 3759, 4541, 5019, 10203, 11277, 13623, 15057, 23807, 30609, 31787, 40869, 42781, 71421, 95361, 128343, 214263, 286083, 299467, 385029, 812839, 898401, 2438517, 2695203, 5689873, 7315551, 17069619, 51208857]

約数ペア:

[(1, 51208857), (3, 17069619), (7, 7315551), (9, 5689873), (19, 2695203), (21, 2438517), (57, 898401), (63, 812839), (133, 385029), (171, 299467), (179, 286083), (239, 214263), (399, 128343), (537, 95361), (717, 71421), (1197, 42781), (1253, 40869), (1611, 31787), (1673, 30609), (2151, 23807), (3401, 15057), (3759, 13623), (4541, 11277), (5019, 10203)]