248418513

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 419652480

約数和(自身を除く): 171233967

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 229, 257, 469, 603, 687, 771, 1407, 1603, 1799, 2061, 2313, 4221, 4809, 5397, 14427, 15343, 16191, 17219, 46029, 51657, 58853, 107401, 120533, 138087, 154971, 176559, 322203, 361599, 411971, 529677, 966609, 1084797, 1235913, 3707739, 3943151, 11829453, 27602057, 35488359, 82806171, 248418513]

約数ペア:

[(1, 248418513), (3, 82806171), (7, 35488359), (9, 27602057), (21, 11829453), (63, 3943151), (67, 3707739), (201, 1235913), (229, 1084797), (257, 966609), (469, 529677), (603, 411971), (687, 361599), (771, 322203), (1407, 176559), (1603, 154971), (1799, 138087), (2061, 120533), (2313, 107401), (4221, 58853), (4809, 51657), (5397, 46029), (14427, 17219), (15343, 16191)]