85470721

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 104241600

約数和(自身を除く): 18770879

約数列:

[1, 7, 19, 133, 149, 227, 361, 1043, 1589, 2527, 2831, 4313, 19817, 30191, 33823, 53789, 81947, 236761, 376523, 573629, 642637, 4498459, 12210103, 85470721]

約数ペア:

[(1, 85470721), (7, 12210103), (19, 4498459), (133, 642637), (149, 573629), (227, 376523), (361, 236761), (1043, 81947), (1589, 53789), (2527, 33823), (2831, 30191), (4313, 19817)]