27393989

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 33707520

約数和(自身を除く): 6313531

約数列:

[1, 7, 23, 49, 109, 161, 223, 763, 1127, 1561, 2507, 5129, 5341, 10927, 17549, 24307, 35903, 122843, 170149, 251321, 559061, 1191043, 3913427, 27393989]

約数ペア:

[(1, 27393989), (7, 3913427), (23, 1191043), (49, 559061), (109, 251321), (161, 170149), (223, 122843), (763, 35903), (1127, 24307), (1561, 17549), (2507, 10927), (5129, 5341)]