139713455

素因数分解:

$5^1\times 7^2\times {\mathrm{419}}^1\times {\mathrm{1361}}^1$

素因数の和:1799

約数の個数: 24

約数和(自身を含む): 195637680

約数和(自身を除く): 55924225

約数列:

[1, 5, 7, 35, 49, 245, 419, 1361, 2095, 2933, 6805, 9527, 14665, 20531, 47635, 66689, 102655, 333445, 570259, 2851295, 3991813, 19959065, 27942691, 139713455]

約数ペア:

[(1, 139713455), (5, 27942691), (7, 19959065), (35, 3991813), (49, 2851295), (245, 570259), (419, 333445), (1361, 102655), (2095, 66689), (2933, 47635), (6805, 20531), (9527, 14665)]