217526829

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{487}}^1\times {\mathrm{881}}^1$

素因数の和:1397

約数の個数: 24

約数和(自身を含む): 315064512

約数和(自身を除く): 97537683

約数列:

[1, 3, 13, 39, 169, 487, 507, 881, 1461, 2643, 6331, 11453, 18993, 34359, 82303, 148889, 246909, 429047, 446667, 1287141, 5577611, 16732833, 72508943, 217526829]

約数ペア:

[(1, 217526829), (3, 72508943), (13, 16732833), (39, 5577611), (169, 1287141), (487, 446667), (507, 429047), (881, 246909), (1461, 148889), (2643, 82303), (6331, 34359), (11453, 18993)]