138539409

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1993}}^1$

素因数の和:2089

約数の個数: 32

約数和(自身を含む): 206737920

約数和(自身を除く): 68198511

約数列:

[1, 3, 17, 29, 47, 51, 87, 141, 493, 799, 1363, 1479, 1993, 2397, 4089, 5979, 23171, 33881, 57797, 69513, 93671, 101643, 173391, 281013, 982549, 1592407, 2716459, 2947647, 4777221, 8149377, 46179803, 138539409]

約数ペア:

[(1, 138539409), (3, 46179803), (17, 8149377), (29, 4777221), (47, 2947647), (51, 2716459), (87, 1592407), (141, 982549), (493, 281013), (799, 173391), (1363, 101643), (1479, 93671), (1993, 69513), (2397, 57797), (4089, 33881), (5979, 23171)]