550221

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:233

約数の個数: 24

約数和(自身を含む): 902880

約数和(自身を除く): 352659

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 197, 399, 591, 931, 1379, 2793, 3743, 4137, 9653, 11229, 26201, 28959, 78603, 183407, 550221]

約数ペア:

[(1, 550221), (3, 183407), (7, 78603), (19, 28959), (21, 26201), (49, 11229), (57, 9653), (133, 4137), (147, 3743), (197, 2793), (399, 1379), (591, 931)]