205121553

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{1993}}^1$

素因数の和:2058

約数の個数: 48

約数和(自身を含む): 350305920

約数和(自身を除く): 145184367

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 169, 203, 273, 377, 507, 609, 1131, 1183, 1993, 2639, 3549, 4901, 5979, 7917, 13951, 14703, 25909, 34307, 41853, 57797, 77727, 102921, 173391, 181363, 336817, 404579, 544089, 751361, 1010451, 1213737, 2254083, 2357719, 5259527, 7073157, 9767693, 15778581, 29303079, 68373851, 205121553]

約数ペア:

[(1, 205121553), (3, 68373851), (7, 29303079), (13, 15778581), (21, 9767693), (29, 7073157), (39, 5259527), (87, 2357719), (91, 2254083), (169, 1213737), (203, 1010451), (273, 751361), (377, 544089), (507, 404579), (609, 336817), (1131, 181363), (1183, 173391), (1993, 102921), (2639, 77727), (3549, 57797), (4901, 41853), (5979, 34307), (7917, 25909), (13951, 14703)]