31253937

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 50944320

約数和(自身を除く): 19690383

約数列:

[1, 3, 11, 13, 33, 37, 39, 111, 121, 143, 179, 363, 407, 429, 481, 537, 1221, 1443, 1573, 1969, 2327, 4477, 4719, 5291, 5907, 6623, 6981, 13431, 15873, 19869, 21659, 25597, 58201, 64977, 72853, 76791, 86099, 174603, 218559, 258297, 281567, 801383, 844701, 947089, 2404149, 2841267, 10417979, 31253937]

約数ペア:

[(1, 31253937), (3, 10417979), (11, 2841267), (13, 2404149), (33, 947089), (37, 844701), (39, 801383), (111, 281567), (121, 258297), (143, 218559), (179, 174603), (363, 86099), (407, 76791), (429, 72853), (481, 64977), (537, 58201), (1221, 25597), (1443, 21659), (1573, 19869), (1969, 15873), (2327, 13431), (4477, 6981), (4719, 6623), (5291, 5907)]