25331709

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 37699200

約数和(自身を除く): 12367491

約数列:

[1, 3, 13, 39, 59, 101, 109, 177, 303, 327, 767, 1313, 1417, 2301, 3939, 4251, 5959, 6431, 11009, 17877, 19293, 33027, 77467, 83603, 143117, 232401, 250809, 429351, 649531, 1948593, 8443903, 25331709]

約数ペア:

[(1, 25331709), (3, 8443903), (13, 1948593), (39, 649531), (59, 429351), (101, 250809), (109, 232401), (177, 143117), (303, 83603), (327, 77467), (767, 33027), (1313, 19293), (1417, 17877), (2301, 11009), (3939, 6431), (4251, 5959)]