221752677

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 310464000

約数和(自身を除く): 88711323

約数列:

[1, 3, 43, 83, 129, 139, 149, 249, 417, 447, 3569, 5977, 6407, 10707, 11537, 12367, 17931, 19221, 20711, 34611, 37101, 62133, 496091, 531781, 890573, 1488273, 1595343, 1719013, 2671719, 5157039, 73917559, 221752677]

約数ペア:

[(1, 221752677), (3, 73917559), (43, 5157039), (83, 2671719), (129, 1719013), (139, 1595343), (149, 1488273), (249, 890573), (417, 531781), (447, 496091), (3569, 62133), (5977, 37101), (6407, 34611), (10707, 20711), (11537, 19221), (12367, 17931)]