207978231

素因数分解:

$3^1\times {\mathrm{181}}^1\times {\mathrm{607}}^1\times {\mathrm{631}}^1$

素因数の和:1422

約数の個数: 16

約数和(自身を含む): 279738368

約数和(自身を除く): 71760137

約数列:

[1, 3, 181, 543, 607, 631, 1821, 1893, 109867, 114211, 329601, 342633, 383017, 1149051, 69326077, 207978231]

約数ペア:

[(1, 207978231), (3, 69326077), (181, 1149051), (543, 383017), (607, 342633), (631, 329601), (1821, 114211), (1893, 109867)]