68331039

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{6547}}^1$

素因数の和:6635

約数の個数: 24

約数和(自身を含む): 107491968

約数和(自身を除く): 39160929

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 3479, 6547, 10437, 19641, 45829, 137487, 320803, 464837, 962409, 1394511, 3253859, 9761577, 22777013, 68331039]

約数ペア:

[(1, 68331039), (3, 22777013), (7, 9761577), (21, 3253859), (49, 1394511), (71, 962409), (147, 464837), (213, 320803), (497, 137487), (1491, 45829), (3479, 19641), (6547, 10437)]