638310651

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{840989}}^1$

素因数の和:841026

約数の個数: 16

約数和(自身を含む): 968820480

約数和(自身を除く): 330509829

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 840989, 2522967, 9250879, 19342747, 27752637, 58028241, 212770217, 638310651]

約数ペア:

[(1, 638310651), (3, 212770217), (11, 58028241), (23, 27752637), (33, 19342747), (69, 9250879), (253, 2522967), (759, 840989)]