31323159

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^2\times {\mathrm{59}}^1$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 54969600

約数和(自身を除く): 23646441

約数列:

[1, 3, 7, 9, 21, 27, 53, 59, 63, 159, 177, 189, 371, 413, 477, 531, 1113, 1239, 1431, 1593, 2809, 3127, 3339, 3717, 8427, 9381, 10017, 11151, 19663, 21889, 25281, 28143, 58989, 65667, 75843, 84429, 165731, 176967, 197001, 497193, 530901, 591003, 1160117, 1491579, 3480351, 4474737, 10441053, 31323159]

約数ペア:

[(1, 31323159), (3, 10441053), (7, 4474737), (9, 3480351), (21, 1491579), (27, 1160117), (53, 591003), (59, 530901), (63, 497193), (159, 197001), (177, 176967), (189, 165731), (371, 84429), (413, 75843), (477, 65667), (531, 58989), (1113, 28143), (1239, 25281), (1431, 21889), (1593, 19663), (2809, 11151), (3127, 10017), (3339, 9381), (3717, 8427)]