31520247

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 47604480

約数和(自身を除く): 16084233

約数列:

[1, 3, 11, 33, 43, 97, 129, 229, 291, 473, 687, 1067, 1419, 2519, 3201, 4171, 7557, 9847, 12513, 22213, 29541, 45881, 66639, 108317, 137643, 244343, 324951, 733029, 955159, 2865477, 10506749, 31520247]

約数ペア:

[(1, 31520247), (3, 10506749), (11, 2865477), (33, 955159), (43, 733029), (97, 324951), (129, 244343), (229, 137643), (291, 108317), (473, 66639), (687, 45881), (1067, 29541), (1419, 22213), (2519, 12513), (3201, 9847), (4171, 7557)]