208399503

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1039}}^1$

素因数の和:1231

約数の個数: 32

約数和(自身を含む): 309836800

約数和(自身を除く): 101437297

約数列:

[1, 3, 13, 37, 39, 111, 139, 417, 481, 1039, 1443, 1807, 3117, 5143, 5421, 13507, 15429, 38443, 40521, 66859, 115329, 144421, 200577, 433263, 499759, 1499277, 1877473, 5343577, 5632419, 16030731, 69466501, 208399503]

約数ペア:

[(1, 208399503), (3, 69466501), (13, 16030731), (37, 5632419), (39, 5343577), (111, 1877473), (139, 1499277), (417, 499759), (481, 433263), (1039, 200577), (1443, 144421), (1807, 115329), (3117, 66859), (5143, 40521), (5421, 38443), (13507, 15429)]