291212487

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{7309}}^1$

素因数の和:7567

約数の個数: 24

約数和(自身を含む): 444740400

約数和(自身を除く): 153527913

約数列:

[1, 3, 9, 19, 57, 171, 233, 699, 2097, 4427, 7309, 13281, 21927, 39843, 65781, 138871, 416613, 1249839, 1702997, 5108991, 15326973, 32356943, 97070829, 291212487]

約数ペア:

[(1, 291212487), (3, 97070829), (9, 32356943), (19, 15326973), (57, 5108991), (171, 1702997), (233, 1249839), (699, 416613), (2097, 138871), (4427, 65781), (7309, 39843), (13281, 21927)]