218530503

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{331}}^1\times {\mathrm{673}}^1$

素因数の和:1119

約数の個数: 24

約数和(自身を含む): 319988240

約数和(自身を除く): 101457737

約数列:

[1, 3, 9, 109, 327, 331, 673, 981, 993, 2019, 2979, 6057, 36079, 73357, 108237, 220071, 222763, 324711, 660213, 668289, 2004867, 24281167, 72843501, 218530503]

約数ペア:

[(1, 218530503), (3, 72843501), (9, 24281167), (109, 2004867), (327, 668289), (331, 660213), (673, 324711), (981, 222763), (993, 220071), (2019, 108237), (2979, 73357), (6057, 36079)]