17966686725

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{361321}}^1$

素因数の和:361367

約数の個数: 72

約数和(自身を含む): 36694417032

約数和(自身を除く): 18727730307

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 39, 45, 51, 65, 75, 85, 117, 153, 195, 221, 225, 255, 325, 425, 585, 663, 765, 975, 1105, 1275, 1989, 2925, 3315, 3825, 5525, 9945, 16575, 49725, 361321, 1083963, 1806605, 3251889, 4697173, 5419815, 6142457, 9033025, 14091519, 16259445, 18427371, 23485865, 27099075, 30712285, 42274557, 55282113, 70457595, 79851941, 81297225, 92136855, 117429325, 153561425, 211372785, 239555823, 276410565, 352287975, 399259705, 460684275, 718667469, 1056863925, 1197779115, 1382052825, 1996298525, 3593337345, 5988895575, 17966686725]

約数ペア:

[(1, 17966686725), (3, 5988895575), (5, 3593337345), (9, 1996298525), (13, 1382052825), (15, 1197779115), (17, 1056863925), (25, 718667469), (39, 460684275), (45, 399259705), (51, 352287975), (65, 276410565), (75, 239555823), (85, 211372785), (117, 153561425), (153, 117429325), (195, 92136855), (221, 81297225), (225, 79851941), (255, 70457595), (325, 55282113), (425, 42274557), (585, 30712285), (663, 27099075), (765, 23485865), (975, 18427371), (1105, 16259445), (1275, 14091519), (1989, 9033025), (2925, 6142457), (3315, 5419815), (3825, 4697173), (5525, 3251889), (9945, 1806605), (16575, 1083963), (49725, 361321)]