71816871

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{349}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 112896000

約数和(自身を除く): 41079129

約数列:

[1, 3, 7, 21, 41, 123, 239, 287, 349, 717, 861, 1047, 1673, 2443, 5019, 7329, 9799, 14309, 29397, 42927, 68593, 83411, 100163, 205779, 250233, 300489, 583877, 1751631, 3419851, 10259553, 23938957, 71816871]

約数ペア:

[(1, 71816871), (3, 23938957), (7, 10259553), (21, 3419851), (41, 1751631), (123, 583877), (239, 300489), (287, 250233), (349, 205779), (717, 100163), (861, 83411), (1047, 68593), (1673, 42927), (2443, 29397), (5019, 14309), (7329, 9799)]