215753937

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{1301}}^1$

素因数の和:1513

約数の個数: 32

約数和(自身を含む): 337478400

約数和(自身を除く): 121724463

約数列:

[1, 3, 7, 21, 53, 149, 159, 371, 447, 1043, 1113, 1301, 3129, 3903, 7897, 9107, 23691, 27321, 55279, 68953, 165837, 193849, 206859, 482671, 581547, 1356943, 1448013, 4070829, 10273997, 30821991, 71917979, 215753937]

約数ペア:

[(1, 215753937), (3, 71917979), (7, 30821991), (21, 10273997), (53, 4070829), (149, 1448013), (159, 1356943), (371, 581547), (447, 482671), (1043, 206859), (1113, 193849), (1301, 165837), (3129, 68953), (3903, 55279), (7897, 27321), (9107, 23691)]