1520879991

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1\times {\mathrm{881}}^1$

素因数の和:1231

約数の個数: 32

約数和(自身を含む): 2145927168

約数和(自身を除く): 625047177

約数列:

[1, 3, 23, 69, 127, 197, 381, 591, 881, 2643, 2921, 4531, 8763, 13593, 20263, 25019, 60789, 75057, 111887, 173557, 335661, 520671, 575437, 1726311, 2573401, 3991811, 7720203, 11975433, 22041739, 66125217, 506959997, 1520879991]

約数ペア:

[(1, 1520879991), (3, 506959997), (23, 66125217), (69, 22041739), (127, 11975433), (197, 7720203), (381, 3991811), (591, 2573401), (881, 1726311), (2643, 575437), (2921, 520671), (4531, 335661), (8763, 173557), (13593, 111887), (20263, 75057), (25019, 60789)]