278336157813

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3727}}^1\times {\mathrm{19433}}^1$

素因数の和:23234

約数の個数: 48

約数和(自身を含む): 467157290496

約数和(自身を除く): 188821132683

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3727, 3843, 11181, 19433, 26089, 33543, 58299, 78267, 136031, 174897, 227347, 234801, 408093, 682041, 1185413, 1224279, 1591429, 2046123, 3556239, 4774287, 8297891, 10668717, 14322861, 24893673, 72426791, 74681019, 217280373, 506987537, 651841119, 1520962611, 4418034251, 4562887833, 13254102753, 30926239757, 39762308259, 92778719271, 278336157813]

約数ペア:

[(1, 278336157813), (3, 92778719271), (7, 39762308259), (9, 30926239757), (21, 13254102753), (61, 4562887833), (63, 4418034251), (183, 1520962611), (427, 651841119), (549, 506987537), (1281, 217280373), (3727, 74681019), (3843, 72426791), (11181, 24893673), (19433, 14322861), (26089, 10668717), (33543, 8297891), (58299, 4774287), (78267, 3556239), (136031, 2046123), (174897, 1591429), (227347, 1224279), (234801, 1185413), (408093, 682041)]