2019944385

素因数分解:

$3^4\times 5^1\times {\mathrm{1787}}^1\times {\mathrm{2791}}^1$

素因数の和:4595

約数の個数: 40

約数和(自身を含む): 3624261696

約数和(自身を除く): 1604317311

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1787, 2791, 5361, 8373, 8935, 13955, 16083, 25119, 26805, 41865, 48249, 75357, 80415, 125595, 144747, 226071, 241245, 376785, 723735, 1130355, 4987517, 14962551, 24937585, 44887653, 74812755, 134662959, 224438265, 403988877, 673314795, 2019944385]

約数ペア:

[(1, 2019944385), (3, 673314795), (5, 403988877), (9, 224438265), (15, 134662959), (27, 74812755), (45, 44887653), (81, 24937585), (135, 14962551), (405, 4987517), (1787, 1130355), (2791, 723735), (5361, 376785), (8373, 241245), (8935, 226071), (13955, 144747), (16083, 125595), (25119, 80415), (26805, 75357), (41865, 48249)]