81976713

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{467}}^1\times {\mathrm{643}}^1$

素因数の和:1133

約数の個数: 32

約数和(自身を含む): 135023616

約数和(自身を除く): 53046903

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 467, 643, 1401, 1929, 3269, 4501, 6071, 8359, 9807, 13503, 18213, 25077, 42497, 58513, 127491, 175539, 300281, 900843, 2101967, 3903653, 6305901, 11710959, 27325571, 81976713]

約数ペア:

[(1, 81976713), (3, 27325571), (7, 11710959), (13, 6305901), (21, 3903653), (39, 2101967), (91, 900843), (273, 300281), (467, 175539), (643, 127491), (1401, 58513), (1929, 42497), (3269, 25077), (4501, 18213), (6071, 13503), (8359, 9807)]