51563385

素因数分解:

$3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2$

素因数の和:125

約数の個数: 72

約数和(自身を含む): 98332416

約数和(自身を除く): 46769031

約数列:

[1, 3, 5, 9, 15, 27, 31, 37, 45, 81, 93, 111, 135, 155, 185, 243, 279, 333, 405, 465, 555, 837, 999, 1147, 1215, 1369, 1395, 1665, 2511, 2997, 3441, 4107, 4185, 4995, 5735, 6845, 7533, 8991, 10323, 12321, 12555, 14985, 17205, 20535, 30969, 36963, 37665, 42439, 44955, 51615, 61605, 92907, 110889, 127317, 154845, 184815, 212195, 278721, 332667, 381951, 464535, 554445, 636585, 1145853, 1393605, 1663335, 1909755, 3437559, 5729265, 10312677, 17187795, 51563385]

約数ペア:

[(1, 51563385), (3, 17187795), (5, 10312677), (9, 5729265), (15, 3437559), (27, 1909755), (31, 1663335), (37, 1393605), (45, 1145853), (81, 636585), (93, 554445), (111, 464535), (135, 381951), (155, 332667), (185, 278721), (243, 212195), (279, 184815), (333, 154845), (405, 127317), (465, 110889), (555, 92907), (837, 61605), (999, 51615), (1147, 44955), (1215, 42439), (1369, 37665), (1395, 36963), (1665, 30969), (2511, 20535), (2997, 17205), (3441, 14985), (4107, 12555), (4185, 12321), (4995, 10323), (5735, 8991), (6845, 7533)]