20172159

素因数分解:

$3^6\times 7^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:151

約数の個数: 56

約数和(自身を含む): 35675520

約数和(自身を除く): 15503361

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 67, 81, 177, 189, 201, 243, 413, 469, 531, 567, 603, 729, 1239, 1407, 1593, 1701, 1809, 3717, 3953, 4221, 4779, 5103, 5427, 11151, 11859, 12663, 14337, 16281, 27671, 33453, 35577, 37989, 43011, 48843, 83013, 100359, 106731, 113967, 249039, 301077, 320193, 341901, 747117, 960579, 2241351, 2881737, 6724053, 20172159]

約数ペア:

[(1, 20172159), (3, 6724053), (7, 2881737), (9, 2241351), (21, 960579), (27, 747117), (59, 341901), (63, 320193), (67, 301077), (81, 249039), (177, 113967), (189, 106731), (201, 100359), (243, 83013), (413, 48843), (469, 43011), (531, 37989), (567, 35577), (603, 33453), (729, 27671), (1239, 16281), (1407, 14337), (1593, 12663), (1701, 11859), (1809, 11151), (3717, 5427), (3953, 5103), (4221, 4779)]