211951575

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2953}}^1$

素因数の和:3009

約数の個数: 72

約数和(自身を含む): 428566320

約数和(自身を除く): 216614745

約数列:

[1, 3, 5, 9, 11, 15, 25, 29, 33, 45, 55, 75, 87, 99, 145, 165, 225, 261, 275, 319, 435, 495, 725, 825, 957, 1305, 1595, 2175, 2475, 2871, 2953, 4785, 6525, 7975, 8859, 14355, 14765, 23925, 26577, 32483, 44295, 71775, 73825, 85637, 97449, 132885, 162415, 221475, 256911, 292347, 428185, 487245, 664425, 770733, 812075, 942007, 1284555, 1461735, 2140925, 2436225, 2826021, 3853665, 4710035, 6422775, 7308675, 8478063, 14130105, 19268325, 23550175, 42390315, 70650525, 211951575]

約数ペア:

[(1, 211951575), (3, 70650525), (5, 42390315), (9, 23550175), (11, 19268325), (15, 14130105), (25, 8478063), (29, 7308675), (33, 6422775), (45, 4710035), (55, 3853665), (75, 2826021), (87, 2436225), (99, 2140925), (145, 1461735), (165, 1284555), (225, 942007), (261, 812075), (275, 770733), (319, 664425), (435, 487245), (495, 428185), (725, 292347), (825, 256911), (957, 221475), (1305, 162415), (1595, 132885), (2175, 97449), (2475, 85637), (2871, 73825), (2953, 71775), (4785, 44295), (6525, 32483), (7975, 26577), (8859, 23925), (14355, 14765)]