25657317

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1223}}^1$

素因数の和:1279

約数の個数: 40

約数和(自身を含む): 45023616

約数和(自身を除く): 19366299

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 259, 333, 567, 777, 999, 1223, 2331, 2997, 3669, 6993, 8561, 11007, 20979, 25683, 33021, 45251, 77049, 99063, 135753, 231147, 316757, 407259, 693441, 950271, 1221777, 2850813, 3665331, 8552439, 25657317]

約数ペア:

[(1, 25657317), (3, 8552439), (7, 3665331), (9, 2850813), (21, 1221777), (27, 950271), (37, 693441), (63, 407259), (81, 316757), (111, 231147), (189, 135753), (259, 99063), (333, 77049), (567, 45251), (777, 33021), (999, 25683), (1223, 20979), (2331, 11007), (2997, 8561), (3669, 6993)]