40406821

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{277}}^1$

素因数の和:533

約数の個数: 24

約数和(自身を含む): 51024120

約数和(自身を除く): 10617299

約数列:

[1, 7, 13, 49, 91, 229, 277, 637, 1603, 1939, 2977, 3601, 11221, 13573, 20839, 25207, 63433, 145873, 176449, 444031, 824629, 3108217, 5772403, 40406821]

約数ペア:

[(1, 40406821), (7, 5772403), (13, 3108217), (49, 824629), (91, 444031), (229, 176449), (277, 145873), (637, 63433), (1603, 25207), (1939, 20839), (2977, 13573), (3601, 11221)]