15691431861

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{5381}}^1$

素因数の和:5576

約数の個数: 80

約数和(自身を含む): 27716008320

約数和(自身を除く): 12024576459

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 139, 189, 259, 333, 417, 567, 777, 973, 999, 1251, 2331, 2919, 2997, 3753, 5143, 5381, 6993, 8757, 11259, 15429, 16143, 20979, 26271, 36001, 37667, 46287, 48429, 78813, 108003, 113001, 138861, 145287, 199097, 324009, 339003, 416583, 435861, 597291, 747959, 972027, 1017009, 1393679, 1791873, 2243877, 2916081, 3051027, 4181037, 5235713, 5375619, 6731631, 12543111, 15707139, 16126857, 20194893, 27674483, 37629333, 47121417, 60584679, 83023449, 112887999, 141364251, 193721381, 249070347, 424092753, 581164143, 747211041, 1743492429, 2241633123, 5230477287, 15691431861]

約数ペア:

[(1, 15691431861), (3, 5230477287), (7, 2241633123), (9, 1743492429), (21, 747211041), (27, 581164143), (37, 424092753), (63, 249070347), (81, 193721381), (111, 141364251), (139, 112887999), (189, 83023449), (259, 60584679), (333, 47121417), (417, 37629333), (567, 27674483), (777, 20194893), (973, 16126857), (999, 15707139), (1251, 12543111), (2331, 6731631), (2919, 5375619), (2997, 5235713), (3753, 4181037), (5143, 3051027), (5381, 2916081), (6993, 2243877), (8757, 1791873), (11259, 1393679), (15429, 1017009), (16143, 972027), (20979, 747959), (26271, 597291), (36001, 435861), (37667, 416583), (46287, 339003), (48429, 324009), (78813, 199097), (108003, 145287), (113001, 138861)]