180321729

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1\times {\mathrm{269}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 279002880

約数和(自身を除く): 98681151

約数列:

[1, 3, 7, 21, 137, 233, 269, 411, 699, 807, 959, 1631, 1883, 2877, 4893, 5649, 31921, 36853, 62677, 95763, 110559, 188031, 223447, 257971, 438739, 670341, 773913, 1316217, 8586749, 25760247, 60107243, 180321729]

約数ペア:

[(1, 180321729), (3, 60107243), (7, 25760247), (21, 8586749), (137, 1316217), (233, 773913), (269, 670341), (411, 438739), (699, 257971), (807, 223447), (959, 188031), (1631, 110559), (1883, 95763), (2877, 62677), (4893, 36853), (5649, 31921)]