2051222319

素因数分解:

$3^3\times {\mathrm{6991}}^1\times {\mathrm{10867}}^1$

素因数の和:17867

約数の個数: 16

約数和(自身を含む): 3039562240

約数和(自身を除く): 988339921

約数列:

[1, 3, 9, 27, 6991, 10867, 20973, 32601, 62919, 97803, 188757, 293409, 75971197, 227913591, 683740773, 2051222319]

約数ペア:

[(1, 2051222319), (3, 683740773), (9, 227913591), (27, 75971197), (6991, 293409), (10867, 188757), (20973, 97803), (32601, 62919)]