51920505

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:471

約数の個数: 96

約数和(自身を含む): 114616320

約数和(自身を除く): 62695815

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 31, 35, 39, 45, 63, 65, 91, 93, 105, 117, 155, 195, 217, 273, 279, 315, 403, 409, 455, 465, 585, 651, 819, 1085, 1209, 1227, 1365, 1395, 1953, 2015, 2045, 2821, 2863, 3255, 3627, 3681, 4095, 5317, 6045, 6135, 8463, 8589, 9765, 12679, 14105, 14315, 15951, 18135, 18405, 25389, 25767, 26585, 37219, 38037, 42315, 42945, 47853, 63395, 79755, 88753, 111657, 114111, 126945, 128835, 164827, 186095, 190185, 239265, 266259, 334971, 443765, 494481, 558285, 570555, 798777, 824135, 1153789, 1331295, 1483443, 1674855, 2472405, 3461367, 3993885, 5768945, 7417215, 10384101, 17306835, 51920505]

約数ペア:

[(1, 51920505), (3, 17306835), (5, 10384101), (7, 7417215), (9, 5768945), (13, 3993885), (15, 3461367), (21, 2472405), (31, 1674855), (35, 1483443), (39, 1331295), (45, 1153789), (63, 824135), (65, 798777), (91, 570555), (93, 558285), (105, 494481), (117, 443765), (155, 334971), (195, 266259), (217, 239265), (273, 190185), (279, 186095), (315, 164827), (403, 128835), (409, 126945), (455, 114111), (465, 111657), (585, 88753), (651, 79755), (819, 63395), (1085, 47853), (1209, 42945), (1227, 42315), (1365, 38037), (1395, 37219), (1953, 26585), (2015, 25767), (2045, 25389), (2821, 18405), (2863, 18135), (3255, 15951), (3627, 14315), (3681, 14105), (4095, 12679), (5317, 9765), (6045, 8589), (6135, 8463)]