139480705

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43793}}^1$

素因数の和:43825

約数の個数: 24

約数和(自身を含む): 209685672

約数和(自身を除く): 70204967

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 43793, 218965, 306551, 569309, 1532755, 2145857, 2846545, 3985163, 10729285, 19925815, 27896141, 139480705]

約数ペア:

[(1, 139480705), (5, 27896141), (7, 19925815), (13, 10729285), (35, 3985163), (49, 2846545), (65, 2145857), (91, 1532755), (245, 569309), (455, 306551), (637, 218965), (3185, 43793)]