1393689

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 2047680

約数和(自身を除く): 653991

約数列:

[1, 3, 11, 33, 157, 269, 471, 807, 1727, 2959, 5181, 8877, 42233, 126699, 464563, 1393689]

約数ペア:

[(1, 1393689), (3, 464563), (11, 126699), (33, 42233), (157, 8877), (269, 5181), (471, 2959), (807, 1727)]