71835981

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{1567}}^1$

素因数の和:1673

約数の個数: 32

約数和(自身を含む): 114401280

約数和(自身を除く): 42565299

約数列:

[1, 3, 7, 21, 37, 59, 111, 177, 259, 413, 777, 1239, 1567, 2183, 4701, 6549, 10969, 15281, 32907, 45843, 57979, 92453, 173937, 277359, 405853, 647171, 1217559, 1941513, 3420761, 10262283, 23945327, 71835981]

約数ペア:

[(1, 71835981), (3, 23945327), (7, 10262283), (21, 3420761), (37, 1941513), (59, 1217559), (111, 647171), (177, 405853), (259, 277359), (413, 173937), (777, 92453), (1239, 57979), (1567, 45843), (2183, 32907), (4701, 15281), (6549, 10969)]