161343721

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{2357}}^1$

素因数の和:2509

約数の個数: 24

約数和(自身を含む): 206447616

約数和(自身を除く): 45103895

約数列:

[1, 7, 11, 49, 77, 127, 539, 889, 1397, 2357, 6223, 9779, 16499, 25927, 68453, 115493, 181489, 299339, 1270423, 2095373, 3292729, 14667611, 23049103, 161343721]

約数ペア:

[(1, 161343721), (7, 23049103), (11, 14667611), (49, 3292729), (77, 2095373), (127, 1270423), (539, 299339), (889, 181489), (1397, 115493), (2357, 68453), (6223, 25927), (9779, 16499)]