207819729

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{8837}}^1$

素因数の和:8926

約数の個数: 32

約数和(自身を含む): 336551040

約数和(自身を除く): 128731311

約数列:

[1, 3, 9, 13, 27, 39, 67, 117, 201, 351, 603, 871, 1809, 2613, 7839, 8837, 23517, 26511, 79533, 114881, 238599, 344643, 592079, 1033929, 1776237, 3101787, 5328711, 7697027, 15986133, 23091081, 69273243, 207819729]

約数ペア:

[(1, 207819729), (3, 69273243), (9, 23091081), (13, 15986133), (27, 7697027), (39, 5328711), (67, 3101787), (117, 1776237), (201, 1033929), (351, 592079), (603, 344643), (871, 238599), (1809, 114881), (2613, 79533), (7839, 26511), (8837, 23517)]