25503621

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{269}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 42690240

約数和(自身を除く): 17186619

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 143, 169, 187, 221, 269, 429, 507, 561, 663, 807, 1859, 2431, 2873, 2959, 3497, 4573, 5577, 7293, 8619, 8877, 10491, 13719, 31603, 38467, 45461, 50303, 59449, 94809, 115401, 136383, 150909, 178347, 500071, 653939, 772837, 1500213, 1961817, 2318511, 8501207, 25503621]

約数ペア:

[(1, 25503621), (3, 8501207), (11, 2318511), (13, 1961817), (17, 1500213), (33, 772837), (39, 653939), (51, 500071), (143, 178347), (169, 150909), (187, 136383), (221, 115401), (269, 94809), (429, 59449), (507, 50303), (561, 45461), (663, 38467), (807, 31603), (1859, 13719), (2431, 10491), (2873, 8877), (2959, 8619), (3497, 7293), (4573, 5577)]