131696523

素因数分解:

$3^5\times 7^1\times {\mathrm{139}}^1\times {\mathrm{557}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 227485440

約数和(自身を除く): 95788917

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 139, 189, 243, 417, 557, 567, 973, 1251, 1671, 1701, 2919, 3753, 3899, 5013, 8757, 11259, 11697, 15039, 26271, 33777, 35091, 45117, 77423, 78813, 105273, 135351, 232269, 236439, 315819, 541961, 696807, 947457, 1625883, 2090421, 4877649, 6271263, 14632947, 18813789, 43898841, 131696523]

約数ペア:

[(1, 131696523), (3, 43898841), (7, 18813789), (9, 14632947), (21, 6271263), (27, 4877649), (63, 2090421), (81, 1625883), (139, 947457), (189, 696807), (243, 541961), (417, 315819), (557, 236439), (567, 232269), (973, 135351), (1251, 105273), (1671, 78813), (1701, 77423), (2919, 45117), (3753, 35091), (3899, 33777), (5013, 26271), (8757, 15039), (11259, 11697)]