15178527

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 27675648

約数和(自身を除く): 12497121

約数列:

[1, 3, 7, 9, 13, 21, 39, 43, 63, 91, 117, 129, 273, 301, 387, 431, 559, 819, 903, 1293, 1677, 2709, 3017, 3879, 3913, 5031, 5603, 9051, 11739, 16809, 18533, 27153, 35217, 39221, 50427, 55599, 117663, 129731, 166797, 240929, 352989, 389193, 722787, 1167579, 1686503, 2168361, 5059509, 15178527]

約数ペア:

[(1, 15178527), (3, 5059509), (7, 2168361), (9, 1686503), (13, 1167579), (21, 722787), (39, 389193), (43, 352989), (63, 240929), (91, 166797), (117, 129731), (129, 117663), (273, 55599), (301, 50427), (387, 39221), (431, 35217), (559, 27153), (819, 18533), (903, 16809), (1293, 11739), (1677, 9051), (2709, 5603), (3017, 5031), (3879, 3913)]