1400247

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{293}}^1$

素因数の和:364

約数の個数: 20

約数和(自身を含む): 2134440

約数和(自身を除く): 734193

約数列:

[1, 3, 9, 27, 59, 81, 177, 293, 531, 879, 1593, 2637, 4779, 7911, 17287, 23733, 51861, 155583, 466749, 1400247]

約数ペア:

[(1, 1400247), (3, 466749), (9, 155583), (27, 51861), (59, 23733), (81, 17287), (177, 7911), (293, 4779), (531, 2637), (879, 1593)]