31263141

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{383}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 53968896

約数和(自身を除く): 22705755

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 169, 273, 299, 383, 483, 507, 897, 1149, 1183, 2093, 2681, 3549, 3887, 4979, 6279, 8043, 8809, 11661, 14937, 26427, 27209, 34853, 61663, 64727, 81627, 104559, 114517, 184989, 194181, 343551, 453089, 801619, 1359267, 1488721, 2404857, 4466163, 10421047, 31263141]

約数ペア:

[(1, 31263141), (3, 10421047), (7, 4466163), (13, 2404857), (21, 1488721), (23, 1359267), (39, 801619), (69, 453089), (91, 343551), (161, 194181), (169, 184989), (273, 114517), (299, 104559), (383, 81627), (483, 64727), (507, 61663), (897, 34853), (1149, 27209), (1183, 26427), (2093, 14937), (2681, 11661), (3549, 8809), (3887, 8043), (4979, 6279)]