25249539

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{661}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 41181696

約数和(自身を除く): 15932157

約数列:

[1, 3, 7, 17, 21, 51, 107, 119, 321, 357, 661, 749, 1819, 1983, 2247, 4627, 5457, 11237, 12733, 13881, 33711, 38199, 70727, 78659, 212181, 235977, 495089, 1202359, 1485267, 3607077, 8416513, 25249539]

約数ペア:

[(1, 25249539), (3, 8416513), (7, 3607077), (17, 1485267), (21, 1202359), (51, 495089), (107, 235977), (119, 212181), (321, 78659), (357, 70727), (661, 38199), (749, 33711), (1819, 13881), (1983, 12733), (2247, 11237), (4627, 5457)]