39942477

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{15907}}^1$

素因数の和:15950

約数の個数: 20

約数和(自身を含む): 61595776

約数和(自身を除く): 21653299

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 15907, 47721, 143163, 429489, 493117, 1288467, 1479351, 4438053, 13314159, 39942477]

約数ペア:

[(1, 39942477), (3, 13314159), (9, 4438053), (27, 1479351), (31, 1288467), (81, 493117), (93, 429489), (279, 143163), (837, 47721), (2511, 15907)]