320171919

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{439}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 452390400

約数和(自身を除く): 132218481

約数列:

[1, 3, 29, 83, 87, 101, 249, 303, 439, 1317, 2407, 2929, 7221, 8383, 8787, 12731, 25149, 36437, 38193, 44339, 109311, 133017, 243107, 729321, 1056673, 1285831, 3170019, 3680137, 3857493, 11040411, 106723973, 320171919]

約数ペア:

[(1, 320171919), (3, 106723973), (29, 11040411), (83, 3857493), (87, 3680137), (101, 3170019), (249, 1285831), (303, 1056673), (439, 729321), (1317, 243107), (2407, 133017), (2929, 109311), (7221, 44339), (8383, 38193), (8787, 36437), (12731, 25149)]