71447913

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{38351}}^1$

素因数の和:38386

約数の個数: 20

約数和(自身を含む): 111374208

約数和(自身を除く): 39926295

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 38351, 115053, 345159, 882073, 1035477, 2646219, 3106431, 7938657, 23815971, 71447913]

約数ペア:

[(1, 71447913), (3, 23815971), (9, 7938657), (23, 3106431), (27, 2646219), (69, 1035477), (81, 882073), (207, 345159), (621, 115053), (1863, 38351)]