8220459

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:207

約数の個数: 32

約数和(自身を含む): 12446784

約数和(自身を除く): 4226325

約数列:

[1, 3, 13, 39, 41, 53, 97, 123, 159, 291, 533, 689, 1261, 1599, 2067, 2173, 3783, 3977, 5141, 6519, 11931, 15423, 28249, 51701, 66833, 84747, 155103, 200499, 210781, 632343, 2740153, 8220459]

約数ペア:

[(1, 8220459), (3, 2740153), (13, 632343), (39, 210781), (41, 200499), (53, 155103), (97, 84747), (123, 66833), (159, 51701), (291, 28249), (533, 15423), (689, 11931), (1261, 6519), (1599, 5141), (2067, 3977), (2173, 3783)]