31755801

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 56770560

約数和(自身を除く): 25014759

約数列:

[1, 3, 7, 11, 21, 23, 33, 43, 69, 77, 129, 139, 161, 231, 253, 301, 417, 473, 483, 759, 903, 973, 989, 1419, 1529, 1771, 2919, 2967, 3197, 3311, 4587, 5313, 5977, 6923, 9591, 9933, 10703, 10879, 17931, 20769, 22379, 32109, 32637, 35167, 41839, 65747, 67137, 76153, 105501, 125517, 137471, 197241, 228459, 246169, 412413, 460229, 738507, 962297, 1380687, 1512181, 2886891, 4536543, 10585267, 31755801]

約数ペア:

[(1, 31755801), (3, 10585267), (7, 4536543), (11, 2886891), (21, 1512181), (23, 1380687), (33, 962297), (43, 738507), (69, 460229), (77, 412413), (129, 246169), (139, 228459), (161, 197241), (231, 137471), (253, 125517), (301, 105501), (417, 76153), (473, 67137), (483, 65747), (759, 41839), (903, 35167), (973, 32637), (989, 32109), (1419, 22379), (1529, 20769), (1771, 17931), (2919, 10879), (2967, 10703), (3197, 9933), (3311, 9591), (4587, 6923), (5313, 5977)]