30861803721

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{9857}}^1$

素因数の和:9971

約数の個数: 72

約数和(自身を含む): 51380684640

約数和(自身を除く): 20518880919

約数列:

[1, 3, 7, 19, 21, 49, 57, 59, 133, 147, 177, 361, 399, 413, 931, 1083, 1121, 1239, 2527, 2793, 2891, 3363, 7581, 7847, 8673, 9857, 17689, 21299, 23541, 29571, 53067, 54929, 63897, 68999, 149093, 164787, 187283, 206997, 447279, 482993, 561849, 581563, 1043651, 1310981, 1448979, 1744689, 3130953, 3558377, 3932943, 4070941, 9176867, 10675131, 11049697, 12212823, 24908639, 27530601, 28496587, 33149091, 74725917, 77347879, 85489761, 174360473, 209944243, 232043637, 523081419, 541435153, 629832729, 1469609701, 1624305459, 4408829103, 10287267907, 30861803721]

約数ペア:

[(1, 30861803721), (3, 10287267907), (7, 4408829103), (19, 1624305459), (21, 1469609701), (49, 629832729), (57, 541435153), (59, 523081419), (133, 232043637), (147, 209944243), (177, 174360473), (361, 85489761), (399, 77347879), (413, 74725917), (931, 33149091), (1083, 28496587), (1121, 27530601), (1239, 24908639), (2527, 12212823), (2793, 11049697), (2891, 10675131), (3363, 9176867), (7581, 4070941), (7847, 3932943), (8673, 3558377), (9857, 3130953), (17689, 1744689), (21299, 1448979), (23541, 1310981), (29571, 1043651), (53067, 581563), (54929, 561849), (63897, 482993), (68999, 447279), (149093, 206997), (164787, 187283)]