168391947

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 240569856

約数和(自身を除く): 72177909

約数列:

[1, 3, 23, 69, 73, 101, 219, 303, 331, 993, 1679, 2323, 5037, 6969, 7373, 7613, 22119, 22839, 24163, 33431, 72489, 100293, 169579, 508737, 555749, 768913, 1667247, 2306739, 2440463, 7321389, 56130649, 168391947]

約数ペア:

[(1, 168391947), (3, 56130649), (23, 7321389), (69, 2440463), (73, 2306739), (101, 1667247), (219, 768913), (303, 555749), (331, 508737), (993, 169579), (1679, 100293), (2323, 72489), (5037, 33431), (6969, 24163), (7373, 22839), (7613, 22119)]