54420219

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{18379}}^1$

素因数の和:18439

約数の個数: 24

約数和(自身を含む): 91752960

約数和(自身を除く): 37332741

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 18379, 55137, 128653, 165411, 385959, 863813, 1157877, 2591439, 6046691, 7774317, 18140073, 54420219]

約数ペア:

[(1, 54420219), (3, 18140073), (7, 7774317), (9, 6046691), (21, 2591439), (47, 1157877), (63, 863813), (141, 385959), (329, 165411), (423, 128653), (987, 55137), (2961, 18379)]