208594071

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 371032064

約数和(自身を除く): 162437993

約数列:

[1, 3, 7, 9, 21, 29, 31, 63, 87, 93, 127, 203, 217, 261, 279, 381, 609, 651, 841, 889, 899, 1143, 1827, 1953, 2523, 2667, 2697, 3683, 3937, 5887, 6293, 7569, 8001, 8091, 11049, 11811, 17661, 18879, 25781, 26071, 27559, 33147, 35433, 52983, 56637, 77343, 78213, 82677, 106807, 114173, 182497, 232029, 234639, 248031, 320421, 342519, 547491, 747649, 799211, 961263, 1027557, 1642473, 2242947, 2397633, 3311017, 6728841, 7192899, 9933051, 23177119, 29799153, 69531357, 208594071]

約数ペア:

[(1, 208594071), (3, 69531357), (7, 29799153), (9, 23177119), (21, 9933051), (29, 7192899), (31, 6728841), (63, 3311017), (87, 2397633), (93, 2242947), (127, 1642473), (203, 1027557), (217, 961263), (261, 799211), (279, 747649), (381, 547491), (609, 342519), (651, 320421), (841, 248031), (889, 234639), (899, 232029), (1143, 182497), (1827, 114173), (1953, 106807), (2523, 82677), (2667, 78213), (2697, 77343), (3683, 56637), (3937, 52983), (5887, 35433), (6293, 33147), (7569, 27559), (8001, 26071), (8091, 25781), (11049, 18879), (11811, 17661)]