2017840005

素因数分解:

$3^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{74363}}^1$

素因数の和:74447

約数の個数: 40

約数和(自身を含む): 3671201952

約数和(自身を除く): 1653361947

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 81, 135, 201, 335, 405, 603, 1005, 1809, 3015, 5427, 9045, 27135, 74363, 223089, 371815, 669267, 1115445, 2007801, 3346335, 4982321, 6023403, 10039005, 14946963, 24911605, 30117015, 44840889, 74734815, 134522667, 224204445, 403568001, 672613335, 2017840005]

約数ペア:

[(1, 2017840005), (3, 672613335), (5, 403568001), (9, 224204445), (15, 134522667), (27, 74734815), (45, 44840889), (67, 30117015), (81, 24911605), (135, 14946963), (201, 10039005), (335, 6023403), (405, 4982321), (603, 3346335), (1005, 2007801), (1809, 1115445), (3015, 669267), (5427, 371815), (9045, 223089), (27135, 74363)]