31257135

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1$

素因数の和:497

約数の個数: 96

約数和(自身を含む): 70761600

約数和(自身を除く): 39504465

約数列:

[1, 3, 5, 7, 9, 13, 15, 17, 21, 35, 39, 45, 51, 63, 65, 85, 91, 105, 117, 119, 153, 195, 221, 255, 273, 315, 357, 449, 455, 585, 595, 663, 765, 819, 1071, 1105, 1347, 1365, 1547, 1785, 1989, 2245, 3143, 3315, 4041, 4095, 4641, 5355, 5837, 6735, 7633, 7735, 9429, 9945, 13923, 15715, 17511, 20205, 22899, 23205, 28287, 29185, 38165, 40859, 47145, 52533, 53431, 68697, 69615, 87555, 99229, 114495, 122577, 141435, 160293, 204295, 262665, 267155, 297687, 343485, 367731, 480879, 496145, 612885, 694603, 801465, 893061, 1488435, 1838655, 2083809, 2404395, 3473015, 4465305, 6251427, 10419045, 31257135]

約数ペア:

[(1, 31257135), (3, 10419045), (5, 6251427), (7, 4465305), (9, 3473015), (13, 2404395), (15, 2083809), (17, 1838655), (21, 1488435), (35, 893061), (39, 801465), (45, 694603), (51, 612885), (63, 496145), (65, 480879), (85, 367731), (91, 343485), (105, 297687), (117, 267155), (119, 262665), (153, 204295), (195, 160293), (221, 141435), (255, 122577), (273, 114495), (315, 99229), (357, 87555), (449, 69615), (455, 68697), (585, 53431), (595, 52533), (663, 47145), (765, 40859), (819, 38165), (1071, 29185), (1105, 28287), (1347, 23205), (1365, 22899), (1547, 20205), (1785, 17511), (1989, 15715), (2245, 13923), (3143, 9945), (3315, 9429), (4041, 7735), (4095, 7633), (4641, 6735), (5355, 5837)]