90771721

素因数分解:

${\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 103544960

約数和(自身を除く): 12773239

約数列:

[1, 17, 19, 61, 271, 289, 323, 1037, 1159, 4607, 5149, 5491, 16531, 17629, 19703, 78319, 87533, 281027, 314089, 334951, 1488061, 4777459, 5339513, 90771721]

約数ペア:

[(1, 90771721), (17, 5339513), (19, 4777459), (61, 1488061), (271, 334951), (289, 314089), (323, 281027), (1037, 87533), (1159, 78319), (4607, 19703), (5149, 17629), (5491, 16531)]