838460721

素因数分解:

$3^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{147331}}^1$

素因数の和:147612

約数の個数: 16

約数和(自身を含む): 1282377728

約数和(自身を除く): 443917007

約数列:

[1, 3, 7, 21, 271, 813, 1897, 5691, 147331, 441993, 1031317, 3093951, 39926701, 119780103, 279486907, 838460721]

約数ペア:

[(1, 838460721), (3, 279486907), (7, 119780103), (21, 39926701), (271, 3093951), (813, 1031317), (1897, 441993), (5691, 147331)]