71305983

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1259}}^1$

素因数の和:1332

約数の個数: 48

約数和(自身を含む): 125798400

約数和(自身を除く): 54492417

約数列:

[1, 3, 7, 9, 21, 29, 31, 63, 87, 93, 203, 217, 261, 279, 609, 651, 899, 1259, 1827, 1953, 2697, 3777, 6293, 8091, 8813, 11331, 18879, 26439, 36511, 39029, 56637, 79317, 109533, 117087, 255577, 273203, 328599, 351261, 766731, 819609, 1131841, 2300193, 2458827, 3395523, 7922887, 10186569, 23768661, 71305983]

約数ペア:

[(1, 71305983), (3, 23768661), (7, 10186569), (9, 7922887), (21, 3395523), (29, 2458827), (31, 2300193), (63, 1131841), (87, 819609), (93, 766731), (203, 351261), (217, 328599), (261, 273203), (279, 255577), (609, 117087), (651, 109533), (899, 79317), (1259, 56637), (1827, 39029), (1953, 36511), (2697, 26439), (3777, 18879), (6293, 11331), (8091, 8813)]