161567289

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{2713}}^1$

素因数の和:3241

約数の個数: 24

約数和(自身を含む): 251913480

約数和(自身を除く): 90346191

約数列:

[1, 3, 9, 13, 39, 117, 509, 1527, 2713, 4581, 6617, 8139, 19851, 24417, 35269, 59553, 105807, 317421, 1380917, 4142751, 12428253, 17951921, 53855763, 161567289]

約数ペア:

[(1, 161567289), (3, 53855763), (9, 17951921), (13, 12428253), (39, 4142751), (117, 1380917), (509, 317421), (1527, 105807), (2713, 59553), (4581, 35269), (6617, 24417), (8139, 19851)]