81924381

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^3\times {\mathrm{977}}^1$

素因数の和:1023

約数の個数: 48

約数和(自身を含む): 148906368

約数和(自身を除く): 66981987

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 121, 231, 363, 693, 847, 977, 1089, 1331, 2541, 2931, 3993, 6839, 7623, 8793, 9317, 10747, 11979, 20517, 27951, 32241, 61551, 75229, 83853, 96723, 118217, 225687, 354651, 677061, 827519, 1063953, 1300387, 2482557, 3901161, 7447671, 9102709, 11703483, 27308127, 81924381]

約数ペア:

[(1, 81924381), (3, 27308127), (7, 11703483), (9, 9102709), (11, 7447671), (21, 3901161), (33, 2482557), (63, 1300387), (77, 1063953), (99, 827519), (121, 677061), (231, 354651), (363, 225687), (693, 118217), (847, 96723), (977, 83853), (1089, 75229), (1331, 61551), (2541, 32241), (2931, 27951), (3993, 20517), (6839, 11979), (7623, 10747), (8793, 9317)]