30811347

素因数分解:

$3^4\times 7^3\times {\mathrm{1109}}^1$

素因数の和:1142

約数の個数: 40

約数和(自身を含む): 53724000

約数和(自身を除く): 22912653

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 343, 441, 567, 1029, 1109, 1323, 3087, 3327, 3969, 7763, 9261, 9981, 23289, 27783, 29943, 54341, 69867, 89829, 163023, 209601, 380387, 489069, 628803, 1141161, 1467207, 3423483, 4401621, 10270449, 30811347]

約数ペア:

[(1, 30811347), (3, 10270449), (7, 4401621), (9, 3423483), (21, 1467207), (27, 1141161), (49, 628803), (63, 489069), (81, 380387), (147, 209601), (189, 163023), (343, 89829), (441, 69867), (567, 54341), (1029, 29943), (1109, 27783), (1323, 23289), (3087, 9981), (3327, 9261), (3969, 7763)]