688049319159

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{4603}}^1\times {\mathrm{97127}}^1$

素因数の和:101761

約数の個数: 40

約数和(自身を含む): 1082169095040

約数和(自身を除く): 394119775881

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 4603, 13809, 41427, 87457, 97127, 124281, 262371, 291381, 372843, 787113, 874143, 1845413, 2361339, 2622429, 5536239, 7084017, 7867287, 16608717, 49826151, 149478453, 447075581, 1341226743, 4023680229, 8494436039, 12071040687, 25483308117, 36213122061, 76449924351, 229349773053, 688049319159]

約数ペア:

[(1, 688049319159), (3, 229349773053), (9, 76449924351), (19, 36213122061), (27, 25483308117), (57, 12071040687), (81, 8494436039), (171, 4023680229), (513, 1341226743), (1539, 447075581), (4603, 149478453), (13809, 49826151), (41427, 16608717), (87457, 7867287), (97127, 7084017), (124281, 5536239), (262371, 2622429), (291381, 2361339), (372843, 1845413), (787113, 874143)]