31213311

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 45293568

約数和(自身を除く): 14080257

約数列:

[1, 3, 31, 37, 47, 93, 111, 141, 193, 579, 1147, 1457, 1739, 3441, 4371, 5217, 5983, 7141, 9071, 17949, 21423, 27213, 53909, 161727, 221371, 281201, 335627, 664113, 843603, 1006881, 10404437, 31213311]

約数ペア:

[(1, 31213311), (3, 10404437), (31, 1006881), (37, 843603), (47, 664113), (93, 335627), (111, 281201), (141, 221371), (193, 161727), (579, 53909), (1147, 27213), (1457, 21423), (1739, 17949), (3441, 9071), (4371, 7141), (5217, 5983)]