20161681785

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{21335113}}^1$

素因数の和:21335134

約数の個数: 32

約数和(自身を含む): 40963418880

約数和(自身を除く): 20801737095

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 21335113, 64005339, 106675565, 149345791, 192016017, 320026695, 448037373, 576048051, 746728955, 960080085, 1344112119, 2240186865, 2880240255, 4032336357, 6720560595, 20161681785]

約数ペア:

[(1, 20161681785), (3, 6720560595), (5, 4032336357), (7, 2880240255), (9, 2240186865), (15, 1344112119), (21, 960080085), (27, 746728955), (35, 576048051), (45, 448037373), (63, 320026695), (105, 192016017), (135, 149345791), (189, 106675565), (315, 64005339), (945, 21335113)]