20173212927

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{23327}}^1$

素因数の和:23437

約数の個数: 72

約数和(自身を含む): 35470970496

約数和(自身を除く): 15297757569

約数列:

[1, 3, 7, 9, 21, 37, 49, 53, 63, 111, 147, 159, 259, 333, 371, 441, 477, 777, 1113, 1813, 1961, 2331, 2597, 3339, 5439, 5883, 7791, 13727, 16317, 17649, 23327, 23373, 41181, 69981, 96089, 123543, 163289, 209943, 288267, 489867, 863099, 864801, 1143023, 1236331, 1469601, 2589297, 3429069, 3708993, 6041693, 7767891, 8654317, 10287207, 11126979, 18125079, 25962951, 42291851, 45744247, 54375237, 60580219, 77888853, 126875553, 137232741, 181740657, 320209729, 380626659, 411698223, 545221971, 960629187, 2241468103, 2881887561, 6724404309, 20173212927]

約数ペア:

[(1, 20173212927), (3, 6724404309), (7, 2881887561), (9, 2241468103), (21, 960629187), (37, 545221971), (49, 411698223), (53, 380626659), (63, 320209729), (111, 181740657), (147, 137232741), (159, 126875553), (259, 77888853), (333, 60580219), (371, 54375237), (441, 45744247), (477, 42291851), (777, 25962951), (1113, 18125079), (1813, 11126979), (1961, 10287207), (2331, 8654317), (2597, 7767891), (3339, 6041693), (5439, 3708993), (5883, 3429069), (7791, 2589297), (13727, 1469601), (16317, 1236331), (17649, 1143023), (23327, 864801), (23373, 863099), (41181, 489867), (69981, 288267), (96089, 209943), (123543, 163289)]