30020487

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{293}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 50676192

約数和(自身を除く): 20655705

約数列:

[1, 3, 7, 17, 21, 41, 49, 51, 119, 123, 147, 287, 293, 357, 697, 833, 861, 879, 2009, 2051, 2091, 2499, 4879, 4981, 6027, 6153, 12013, 14357, 14637, 14943, 34153, 34867, 36039, 43071, 84091, 102459, 104601, 204221, 244069, 252273, 588637, 612663, 732207, 1429547, 1765911, 4288641, 10006829, 30020487]

約数ペア:

[(1, 30020487), (3, 10006829), (7, 4288641), (17, 1765911), (21, 1429547), (41, 732207), (49, 612663), (51, 588637), (119, 252273), (123, 244069), (147, 204221), (287, 104601), (293, 102459), (357, 84091), (697, 43071), (833, 36039), (861, 34867), (879, 34153), (2009, 14943), (2051, 14637), (2091, 14357), (2499, 12013), (4879, 6153), (4981, 6027)]