25828005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{245981}}^1$

素因数の和:245996

約数の個数: 16

約数和(自身を含む): 47228544

約数和(自身を除く): 21400539

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 245981, 737943, 1229905, 1721867, 3689715, 5165601, 8609335, 25828005]

約数ペア:

[(1, 25828005), (3, 8609335), (5, 5165601), (7, 3689715), (15, 1721867), (21, 1229905), (35, 737943), (105, 245981)]