25197417

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3361}}^1$

素因数の和:3398

約数の個数: 36

約数和(自身を含む): 44842356

約数和(自身を除く): 19644939

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 441, 833, 1071, 2499, 3361, 7497, 10083, 23527, 30249, 57137, 70581, 164689, 171411, 211743, 399959, 494067, 514233, 1199877, 1482201, 2799713, 3599631, 8399139, 25197417]

約数ペア:

[(1, 25197417), (3, 8399139), (7, 3599631), (9, 2799713), (17, 1482201), (21, 1199877), (49, 514233), (51, 494067), (63, 399959), (119, 211743), (147, 171411), (153, 164689), (357, 70581), (441, 57137), (833, 30249), (1071, 23527), (2499, 10083), (3361, 7497)]