79827657

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 133797888

約数和(自身を除く): 53970231

約数列:

[1, 3, 7, 13, 21, 39, 83, 91, 169, 249, 271, 273, 507, 581, 813, 1079, 1183, 1743, 1897, 3237, 3523, 3549, 5691, 7553, 10569, 14027, 22493, 22659, 24661, 42081, 45799, 67479, 73983, 98189, 137397, 157451, 292409, 294567, 320593, 472353, 877227, 961779, 2046863, 3801317, 6140589, 11403951, 26609219, 79827657]

約数ペア:

[(1, 79827657), (3, 26609219), (7, 11403951), (13, 6140589), (21, 3801317), (39, 2046863), (83, 961779), (91, 877227), (169, 472353), (249, 320593), (271, 294567), (273, 292409), (507, 157451), (581, 137397), (813, 98189), (1079, 73983), (1183, 67479), (1743, 45799), (1897, 42081), (3237, 24661), (3523, 22659), (3549, 22493), (5691, 14027), (7553, 10569)]