25111521

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:234

約数の個数: 36

約数和(自身を含む): 39227760

約数和(自身を除く): 14116239

約数列:

[1, 3, 9, 19, 57, 59, 131, 171, 177, 361, 393, 531, 1083, 1121, 1179, 2489, 3249, 3363, 7467, 7729, 10089, 21299, 22401, 23187, 47291, 63897, 69561, 141873, 146851, 191691, 425619, 440553, 1321659, 2790169, 8370507, 25111521]

約数ペア:

[(1, 25111521), (3, 8370507), (9, 2790169), (19, 1321659), (57, 440553), (59, 425619), (131, 191691), (171, 146851), (177, 141873), (361, 69561), (393, 63897), (531, 47291), (1083, 23187), (1121, 22401), (1179, 21299), (2489, 10089), (3249, 7729), (3363, 7467)]