71905023

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{431}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 110315520

約数和(自身を除く): 38410497

約数列:

[1, 3, 9, 27, 37, 111, 167, 333, 431, 501, 999, 1293, 1503, 3879, 4509, 6179, 11637, 15947, 18537, 47841, 55611, 71977, 143523, 166833, 215931, 430569, 647793, 1943379, 2663149, 7989447, 23968341, 71905023]

約数ペア:

[(1, 71905023), (3, 23968341), (9, 7989447), (27, 2663149), (37, 1943379), (111, 647793), (167, 430569), (333, 215931), (431, 166833), (501, 143523), (999, 71977), (1293, 55611), (1503, 47841), (3879, 18537), (4509, 15947), (6179, 11637)]