87491523

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{219277}}^1$

素因数の和:219306

約数の個数: 16

約数和(自身を含む): 140337920

約数和(自身を除く): 52846397

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 219277, 657831, 1534939, 4166263, 4604817, 12498789, 29163841, 87491523]

約数ペア:

[(1, 87491523), (3, 29163841), (7, 12498789), (19, 4604817), (21, 4166263), (57, 1534939), (133, 657831), (399, 219277)]