165033981

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137873}}^1$

素因数の和:137905

約数の個数: 24

約数和(自身を含む): 286777920

約数和(自身を除く): 121743939

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 137873, 413619, 965111, 1240857, 2619587, 2895333, 7858761, 8685999, 18337109, 23576283, 55011327, 165033981]

約数ペア:

[(1, 165033981), (3, 55011327), (7, 23576283), (9, 18337109), (19, 8685999), (21, 7858761), (57, 2895333), (63, 2619587), (133, 1240857), (171, 965111), (399, 413619), (1197, 137873)]