51710481

素因数分解:

$3^4\times {\mathrm{17}}^2\times {\mathrm{47}}^2$

素因数の和:140

約数の個数: 45

約数和(自身を含む): 83840779

約数和(自身を除く): 32130298

約数列:

[1, 3, 9, 17, 27, 47, 51, 81, 141, 153, 289, 423, 459, 799, 867, 1269, 1377, 2209, 2397, 2601, 3807, 6627, 7191, 7803, 13583, 19881, 21573, 23409, 37553, 40749, 59643, 64719, 112659, 122247, 178929, 337977, 366741, 638401, 1013931, 1100223, 1915203, 3041793, 5745609, 17236827, 51710481]

約数ペア:

[(1, 51710481), (3, 17236827), (9, 5745609), (17, 3041793), (27, 1915203), (47, 1100223), (51, 1013931), (81, 638401), (141, 366741), (153, 337977), (289, 178929), (423, 122247), (459, 112659), (799, 64719), (867, 59643), (1269, 40749), (1377, 37553), (2209, 23409), (2397, 21573), (2601, 19881), (3807, 13583), (6627, 7803)]