7419681

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{659}}^1$

素因数の和:810

約数の個数: 20

約数和(自身を含む): 11180400

約数和(自身を除く): 3760719

約数列:

[1, 3, 9, 27, 81, 139, 417, 659, 1251, 1977, 3753, 5931, 11259, 17793, 53379, 91601, 274803, 824409, 2473227, 7419681]

約数ペア:

[(1, 7419681), (3, 2473227), (9, 824409), (27, 274803), (81, 91601), (139, 53379), (417, 17793), (659, 11259), (1251, 5931), (1977, 3753)]