38978667

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{523}}^1$

素因数の和:569

約数の個数: 54

約数和(自身を含む): 71055972

約数和(自身を除く): 32077305

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 169, 273, 441, 507, 523, 637, 819, 1183, 1521, 1569, 1911, 3549, 3661, 4707, 5733, 6799, 8281, 10647, 10983, 20397, 24843, 25627, 32949, 47593, 61191, 74529, 76881, 88387, 142779, 230643, 265161, 333151, 428337, 618709, 795483, 999453, 1856127, 2998359, 4330963, 5568381, 12992889, 38978667]

約数ペア:

[(1, 38978667), (3, 12992889), (7, 5568381), (9, 4330963), (13, 2998359), (21, 1856127), (39, 999453), (49, 795483), (63, 618709), (91, 428337), (117, 333151), (147, 265161), (169, 230643), (273, 142779), (441, 88387), (507, 76881), (523, 74529), (637, 61191), (819, 47593), (1183, 32949), (1521, 25627), (1569, 24843), (1911, 20397), (3549, 10983), (3661, 10647), (4707, 8281), (5733, 6799)]