71339709

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 112076800

約数和(自身を除く): 40737091

約数列:

[1, 3, 7, 21, 43, 129, 199, 301, 397, 597, 903, 1191, 1393, 2779, 4179, 8337, 8557, 17071, 25671, 51213, 59899, 79003, 119497, 179697, 237009, 358491, 553021, 1659063, 3397129, 10191387, 23779903, 71339709]

約数ペア:

[(1, 71339709), (3, 23779903), (7, 10191387), (21, 3397129), (43, 1659063), (129, 553021), (199, 358491), (301, 237009), (397, 179697), (597, 119497), (903, 79003), (1191, 59899), (1393, 51213), (2779, 25671), (4179, 17071), (8337, 8557)]