208880001

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{3251}}^1$

素因数の和:3338

約数の個数: 36

約数和(自身を含む): 337362480

約数和(自身を除く): 128482479

約数列:

[1, 3, 9, 11, 33, 59, 99, 121, 177, 363, 531, 649, 1089, 1947, 3251, 5841, 7139, 9753, 21417, 29259, 35761, 64251, 107283, 191809, 321849, 393371, 575427, 1180113, 1726281, 2109899, 3540339, 6329697, 18989091, 23208889, 69626667, 208880001]

約数ペア:

[(1, 208880001), (3, 69626667), (9, 23208889), (11, 18989091), (33, 6329697), (59, 3540339), (99, 2109899), (121, 1726281), (177, 1180113), (363, 575427), (531, 393371), (649, 321849), (1089, 191809), (1947, 107283), (3251, 64251), (5841, 35761), (7139, 29259), (9753, 21417)]