78034509

素因数分解:

$3^4\times 7^2\times {\mathrm{19661}}^1$

素因数の和:19687

約数の個数: 30

約数和(自身を含む): 135608814

約数和(自身を除く): 57574305

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 19661, 58983, 137627, 176949, 412881, 530847, 963389, 1238643, 1592541, 2890167, 3715929, 8670501, 11147787, 26011503, 78034509]

約数ペア:

[(1, 78034509), (3, 26011503), (7, 11147787), (9, 8670501), (21, 3715929), (27, 2890167), (49, 1592541), (63, 1238643), (81, 963389), (147, 530847), (189, 412881), (441, 176949), (567, 137627), (1323, 58983), (3969, 19661)]