86561853

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{216947}}^1$

素因数の和:216976

約数の個数: 16

約数和(自身を含む): 138846720

約数和(自身を除く): 52284867

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 216947, 650841, 1518629, 4121993, 4555887, 12365979, 28853951, 86561853]

約数ペア:

[(1, 86561853), (3, 28853951), (7, 12365979), (19, 4555887), (21, 4121993), (57, 1518629), (133, 650841), (399, 216947)]