53403987

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 95606784

約数和(自身を除く): 42202797

約数列:

[1, 3, 7, 13, 17, 21, 37, 39, 51, 91, 111, 119, 221, 259, 273, 311, 357, 481, 629, 663, 777, 933, 1443, 1547, 1887, 2177, 3367, 4043, 4403, 4641, 5287, 6531, 8177, 10101, 11507, 12129, 13209, 15861, 24531, 28301, 34521, 37009, 57239, 68731, 80549, 84903, 111027, 149591, 171717, 195619, 206193, 241647, 448773, 481117, 586857, 1047137, 1369333, 1443351, 2543047, 3141411, 4107999, 7629141, 17801329, 53403987]

約数ペア:

[(1, 53403987), (3, 17801329), (7, 7629141), (13, 4107999), (17, 3141411), (21, 2543047), (37, 1443351), (39, 1369333), (51, 1047137), (91, 586857), (111, 481117), (119, 448773), (221, 241647), (259, 206193), (273, 195619), (311, 171717), (357, 149591), (481, 111027), (629, 84903), (663, 80549), (777, 68731), (933, 57239), (1443, 37009), (1547, 34521), (1887, 28301), (2177, 24531), (3367, 15861), (4043, 13209), (4403, 12129), (4641, 11507), (5287, 10101), (6531, 8177)]