220109547

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{551653}}^1$

素因数の和:551682

約数の個数: 16

約数和(自身を含む): 353058560

約数和(自身を除く): 132949013

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 551653, 1654959, 3861571, 10481407, 11584713, 31444221, 73369849, 220109547]

約数ペア:

[(1, 220109547), (3, 73369849), (7, 31444221), (19, 11584713), (21, 10481407), (57, 3861571), (133, 1654959), (399, 551653)]