25139751

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1297}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 41868288

約数和(自身を除く): 16728537

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 923, 1297, 1491, 2769, 3891, 6461, 9079, 16861, 19383, 27237, 50583, 92087, 118027, 276261, 354081, 644609, 1197131, 1933827, 3591393, 8379917, 25139751]

約数ペア:

[(1, 25139751), (3, 8379917), (7, 3591393), (13, 1933827), (21, 1197131), (39, 644609), (71, 354081), (91, 276261), (213, 118027), (273, 92087), (497, 50583), (923, 27237), (1297, 19383), (1491, 16861), (2769, 9079), (3891, 6461)]