71835519

素因数分解:

$3^1\times 7^4\times {\mathrm{9973}}^1$

素因数の和:10004

約数の個数: 20

約数和(自身を含む): 111748696

約数和(自身を除く): 39913177

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 9973, 29919, 69811, 209433, 488677, 1466031, 3420739, 10262217, 23945173, 71835519]

約数ペア:

[(1, 71835519), (3, 23945173), (7, 10262217), (21, 3420739), (49, 1466031), (147, 488677), (343, 209433), (1029, 69811), (2401, 29919), (7203, 9973)]