538381221

素因数分解:

$3^1\times 7^1\times {\mathrm{4019}}^1\times {\mathrm{6379}}^1$

素因数の和:10408

約数の個数: 16

約数和(自身を含む): 820723200

約数和(自身を除く): 282341979

約数列:

[1, 3, 7, 21, 4019, 6379, 12057, 19137, 28133, 44653, 84399, 133959, 25637201, 76911603, 179460407, 538381221]

約数ペア:

[(1, 538381221), (3, 179460407), (7, 76911603), (21, 25637201), (4019, 133959), (6379, 84399), (12057, 44653), (19137, 28133)]