131477997

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{521}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 205058304

約数和(自身を除く): 73580307

約数列:

[1, 3, 7, 21, 61, 183, 197, 427, 521, 591, 1281, 1379, 1563, 3647, 4137, 10941, 12017, 31781, 36051, 84119, 95343, 102637, 222467, 252357, 307911, 667401, 718459, 2155377, 6260857, 18782571, 43825999, 131477997]

約数ペア:

[(1, 131477997), (3, 43825999), (7, 18782571), (21, 6260857), (61, 2155377), (183, 718459), (197, 667401), (427, 307911), (521, 252357), (591, 222467), (1281, 102637), (1379, 95343), (1563, 84119), (3647, 36051), (4137, 31781), (10941, 12017)]