18397115847

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{45181}}^1$

素因数の和:45661

約数の個数: 40

約数和(自身を含む): 30046752912

約数和(自身を除く): 11649637065

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 457, 891, 1371, 4113, 5027, 12339, 15081, 37017, 45181, 45243, 135543, 135729, 406629, 407187, 496991, 1219887, 1490973, 3659661, 4472919, 13418757, 20647717, 40256271, 61943151, 185829453, 227124887, 557488359, 681374661, 1672465077, 2044123983, 6132371949, 18397115847]

約数ペア:

[(1, 18397115847), (3, 6132371949), (9, 2044123983), (11, 1672465077), (27, 681374661), (33, 557488359), (81, 227124887), (99, 185829453), (297, 61943151), (457, 40256271), (891, 20647717), (1371, 13418757), (4113, 4472919), (5027, 3659661), (12339, 1490973), (15081, 1219887), (37017, 496991), (45181, 407187), (45243, 406629), (135543, 135729)]