51204855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 93155328

約数和(自身を除く): 41950473

約数列:

[1, 3, 5, 13, 15, 37, 39, 47, 65, 111, 141, 151, 185, 195, 235, 453, 481, 555, 611, 705, 755, 1443, 1739, 1833, 1963, 2265, 2405, 3055, 5217, 5587, 5889, 7097, 7215, 8695, 9165, 9815, 16761, 21291, 22607, 26085, 27935, 29445, 35485, 67821, 72631, 83805, 92261, 106455, 113035, 217893, 262589, 276783, 339105, 363155, 461305, 787767, 1089465, 1312945, 1383915, 3413657, 3938835, 10240971, 17068285, 51204855]

約数ペア:

[(1, 51204855), (3, 17068285), (5, 10240971), (13, 3938835), (15, 3413657), (37, 1383915), (39, 1312945), (47, 1089465), (65, 787767), (111, 461305), (141, 363155), (151, 339105), (185, 276783), (195, 262589), (235, 217893), (453, 113035), (481, 106455), (555, 92261), (611, 83805), (705, 72631), (755, 67821), (1443, 35485), (1739, 29445), (1833, 27935), (1963, 26085), (2265, 22607), (2405, 21291), (3055, 16761), (5217, 9815), (5587, 9165), (5889, 8695), (7097, 7215)]