51228513

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 87325056

約数和(自身を除く): 36096543

約数列:

[1, 3, 7, 9, 21, 63, 83, 97, 101, 249, 291, 303, 581, 679, 707, 747, 873, 909, 1743, 2037, 2121, 5229, 6111, 6363, 8051, 8383, 9797, 24153, 25149, 29391, 56357, 58681, 68579, 72459, 75447, 88173, 169071, 176043, 205737, 507213, 528129, 617211, 813151, 2439453, 5692057, 7318359, 17076171, 51228513]

約数ペア:

[(1, 51228513), (3, 17076171), (7, 7318359), (9, 5692057), (21, 2439453), (63, 813151), (83, 617211), (97, 528129), (101, 507213), (249, 205737), (291, 176043), (303, 169071), (581, 88173), (679, 75447), (707, 72459), (747, 68579), (873, 58681), (909, 56357), (1743, 29391), (2037, 25149), (2121, 24153), (5229, 9797), (6111, 8383), (6363, 8051)]