40673841

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 60979968

約数和(自身を除く): 20306127

約数列:

[1, 3, 13, 37, 39, 71, 111, 213, 397, 481, 923, 1191, 1443, 2627, 2769, 5161, 7881, 14689, 15483, 28187, 34151, 44067, 84561, 102453, 190957, 366431, 572871, 1042919, 1099293, 3128757, 13557947, 40673841]

約数ペア:

[(1, 40673841), (3, 13557947), (13, 3128757), (37, 1099293), (39, 1042919), (71, 572871), (111, 366431), (213, 190957), (397, 102453), (481, 84561), (923, 44067), (1191, 34151), (1443, 28187), (2627, 15483), (2769, 14689), (5161, 7881)]