209486343

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 341107200

約数和(自身を除く): 131620857

約数列:

[1, 3, 11, 19, 29, 33, 41, 57, 87, 123, 209, 281, 319, 451, 551, 627, 779, 843, 957, 1189, 1353, 1653, 2337, 3091, 3567, 5339, 6061, 8149, 8569, 9273, 11521, 13079, 16017, 18183, 22591, 24447, 25707, 34563, 39237, 58729, 67773, 89639, 126731, 154831, 176187, 218899, 248501, 268917, 334109, 380193, 464493, 656697, 745503, 1002327, 1703141, 2407889, 3675199, 5109423, 6348071, 7223667, 11025597, 19044213, 69828781, 209486343]

約数ペア:

[(1, 209486343), (3, 69828781), (11, 19044213), (19, 11025597), (29, 7223667), (33, 6348071), (41, 5109423), (57, 3675199), (87, 2407889), (123, 1703141), (209, 1002327), (281, 745503), (319, 656697), (451, 464493), (551, 380193), (627, 334109), (779, 268917), (843, 248501), (957, 218899), (1189, 176187), (1353, 154831), (1653, 126731), (2337, 89639), (3091, 67773), (3567, 58729), (5339, 39237), (6061, 34563), (8149, 25707), (8569, 24447), (9273, 22591), (11521, 18183), (13079, 16017)]