18060861

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{727}}^1$

素因数の和:770

約数の個数: 36

約数和(自身を含む): 30375072

約数和(自身を除く): 12314211

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 169, 273, 507, 637, 727, 1183, 1911, 2181, 3549, 5089, 8281, 9451, 15267, 24843, 28353, 35623, 66157, 106869, 122863, 198471, 368589, 463099, 860041, 1389297, 2580123, 6020287, 18060861]

約数ペア:

[(1, 18060861), (3, 6020287), (7, 2580123), (13, 1389297), (21, 860041), (39, 463099), (49, 368589), (91, 198471), (147, 122863), (169, 106869), (273, 66157), (507, 35623), (637, 28353), (727, 24843), (1183, 15267), (1911, 9451), (2181, 8281), (3549, 5089)]