72139977

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9787}}^1$

素因数の和:9819

約数の個数: 40

約数和(自身を含む): 132646976

約数和(自身を除く): 60506999

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 7371, 9787, 29361, 68509, 88083, 127231, 205527, 264249, 381693, 616581, 792747, 890617, 1145079, 1849743, 2671851, 3435237, 5549229, 8015553, 10305711, 24046659, 72139977]

約数ペア:

[(1, 72139977), (3, 24046659), (7, 10305711), (9, 8015553), (13, 5549229), (21, 3435237), (27, 2671851), (39, 1849743), (63, 1145079), (81, 890617), (91, 792747), (117, 616581), (189, 381693), (273, 264249), (351, 205527), (567, 127231), (819, 88083), (1053, 68509), (2457, 29361), (7371, 9787)]