16405767

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1423}}^1$

素因数の和:1500

約数の個数: 32

約数和(自身を含む): 28252160

約数和(自身を除く): 11846393

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 183, 189, 427, 549, 1281, 1423, 1647, 3843, 4269, 9961, 11529, 12807, 29883, 38421, 86803, 89649, 260409, 268947, 607621, 781227, 1822863, 2343681, 5468589, 16405767]

約数ペア:

[(1, 16405767), (3, 5468589), (7, 2343681), (9, 1822863), (21, 781227), (27, 607621), (61, 268947), (63, 260409), (183, 89649), (189, 86803), (427, 38421), (549, 29883), (1281, 12807), (1423, 11529), (1647, 9961), (3843, 4269)]