51049719

素因数分解:

$3^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{719}}^1$

素因数の和:769

約数の個数: 48

約数和(自身を含む): 89856000

約数和(自身を除く): 38806281

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 343, 441, 483, 719, 1029, 1127, 1449, 2157, 3087, 3381, 5033, 6471, 7889, 10143, 15099, 16537, 23667, 35231, 45297, 49611, 71001, 105693, 115759, 148833, 246617, 317079, 347277, 739851, 810313, 1041831, 2219553, 2430939, 5672191, 7292817, 17016573, 51049719]

約数ペア:

[(1, 51049719), (3, 17016573), (7, 7292817), (9, 5672191), (21, 2430939), (23, 2219553), (49, 1041831), (63, 810313), (69, 739851), (147, 347277), (161, 317079), (207, 246617), (343, 148833), (441, 115759), (483, 105693), (719, 71001), (1029, 49611), (1127, 45297), (1449, 35231), (2157, 23667), (3087, 16537), (3381, 15099), (5033, 10143), (6471, 7889)]