51845475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 97962480

約数和(自身を除く): 46117005

約数列:

[1, 3, 5, 11, 15, 25, 29, 33, 55, 75, 87, 121, 145, 165, 197, 275, 319, 363, 435, 591, 605, 725, 825, 957, 985, 1595, 1815, 2167, 2175, 2955, 3025, 3509, 4785, 4925, 5713, 6501, 7975, 9075, 10527, 10835, 14775, 17139, 17545, 23837, 23925, 28565, 32505, 52635, 54175, 62843, 71511, 85695, 87725, 119185, 142825, 162525, 188529, 263175, 314215, 357555, 428475, 595925, 691273, 942645, 1571075, 1787775, 2073819, 3456365, 4713225, 10369095, 17281825, 51845475]

約数ペア:

[(1, 51845475), (3, 17281825), (5, 10369095), (11, 4713225), (15, 3456365), (25, 2073819), (29, 1787775), (33, 1571075), (55, 942645), (75, 691273), (87, 595925), (121, 428475), (145, 357555), (165, 314215), (197, 263175), (275, 188529), (319, 162525), (363, 142825), (435, 119185), (591, 87725), (605, 85695), (725, 71511), (825, 62843), (957, 54175), (985, 52635), (1595, 32505), (1815, 28565), (2167, 23925), (2175, 23837), (2955, 17545), (3025, 17139), (3509, 14775), (4785, 10835), (4925, 10527), (5713, 9075), (6501, 7975)]