31725213

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 48787200

約数和(自身を除く): 17061987

約数列:

[1, 3, 13, 17, 39, 51, 109, 221, 327, 439, 663, 1317, 1417, 1853, 4251, 5559, 5707, 7463, 17121, 22389, 24089, 47851, 72267, 97019, 143553, 291057, 622063, 813467, 1866189, 2440401, 10575071, 31725213]

約数ペア:

[(1, 31725213), (3, 10575071), (13, 2440401), (17, 1866189), (39, 813467), (51, 622063), (109, 291057), (221, 143553), (327, 97019), (439, 72267), (663, 47851), (1317, 24089), (1417, 22389), (1853, 17121), (4251, 7463), (5559, 5707)]