211539967065

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{31978831}}^1$

素因数の和:31978859

約数の個数: 48

約数和(自身を含む): 437470421760

約数和(自身を除く): 225930454695

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 6615, 31978831, 95936493, 159894155, 223851817, 287809479, 479682465, 671555451, 863428437, 1119259085, 1439047395, 1566962719, 2014666353, 3357777255, 4317142185, 4700888157, 6043999059, 7834813595, 10073331765, 14102664471, 23504440785, 30219995295, 42307993413, 70513322355, 211539967065]

約数ペア:

[(1, 211539967065), (3, 70513322355), (5, 42307993413), (7, 30219995295), (9, 23504440785), (15, 14102664471), (21, 10073331765), (27, 7834813595), (35, 6043999059), (45, 4700888157), (49, 4317142185), (63, 3357777255), (105, 2014666353), (135, 1566962719), (147, 1439047395), (189, 1119259085), (245, 863428437), (315, 671555451), (441, 479682465), (735, 287809479), (945, 223851817), (1323, 159894155), (2205, 95936493), (6615, 31978831)]