217145601

素因数分解:

$3^2\times {\mathrm{157}}^1\times {\mathrm{239}}^1\times {\mathrm{643}}^1$

素因数の和:1045

約数の個数: 24

約数和(自身を含む): 317466240

約数和(自身を除く): 100320639

約数列:

[1, 3, 9, 157, 239, 471, 643, 717, 1413, 1929, 2151, 5787, 37523, 100951, 112569, 153677, 302853, 337707, 461031, 908559, 1383093, 24127289, 72381867, 217145601]

約数ペア:

[(1, 217145601), (3, 72381867), (9, 24127289), (157, 1383093), (239, 908559), (471, 461031), (643, 337707), (717, 302853), (1413, 153677), (1929, 112569), (2151, 100951), (5787, 37523)]