39891345

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1303}}^1$

素因数の和:1481

約数の個数: 32

約数和(自身を含む): 69226752

約数和(自身を除く): 29335407

約数列:

[1, 3, 5, 13, 15, 39, 65, 157, 195, 471, 785, 1303, 2041, 2355, 3909, 6123, 6515, 10205, 16939, 19545, 30615, 50817, 84695, 204571, 254085, 613713, 1022855, 2659423, 3068565, 7978269, 13297115, 39891345]

約数ペア:

[(1, 39891345), (3, 13297115), (5, 7978269), (13, 3068565), (15, 2659423), (39, 1022855), (65, 613713), (157, 254085), (195, 204571), (471, 84695), (785, 50817), (1303, 30615), (2041, 19545), (2355, 16939), (3909, 10205), (6123, 6515)]