1998382011

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1\times {\mathrm{1231}}^1$

素因数の和:1619

約数の個数: 32

約数和(自身を含む): 2856268800

約数和(自身を除く): 857886789

約数列:

[1, 3, 17, 51, 139, 229, 417, 687, 1231, 2363, 3693, 3893, 7089, 11679, 20927, 31831, 62781, 95493, 171109, 281899, 513327, 541127, 845697, 1623381, 2908853, 4792283, 8726559, 14376849, 39183961, 117551883, 666127337, 1998382011]

約数ペア:

[(1, 1998382011), (3, 666127337), (17, 117551883), (51, 39183961), (139, 14376849), (229, 8726559), (417, 4792283), (687, 2908853), (1231, 1623381), (2363, 845697), (3693, 541127), (3893, 513327), (7089, 281899), (11679, 171109), (20927, 95493), (31831, 62781)]