81151518

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{761}}^1\times {\mathrm{2539}}^1$

素因数の和:3312

約数の個数: 32

約数和(自身を含む): 185806080

約数和(自身を除く): 104654562

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 761, 1522, 2283, 2539, 4566, 5078, 5327, 7617, 10654, 15234, 15981, 17773, 31962, 35546, 53319, 106638, 1932179, 3864358, 5796537, 11593074, 13525253, 27050506, 40575759, 81151518]

約数ペア:

[(1, 81151518), (2, 40575759), (3, 27050506), (6, 13525253), (7, 11593074), (14, 5796537), (21, 3864358), (42, 1932179), (761, 106638), (1522, 53319), (2283, 35546), (2539, 31962), (4566, 17773), (5078, 15981), (5327, 15234), (7617, 10654)]