380671281

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{21569}}^1$

素因数の和:21665

約数の個数: 24

約数和(自身を含む): 575401320

約数和(自身を除く): 194730039

約数列:

[1, 3, 9, 37, 53, 111, 159, 333, 477, 1961, 5883, 17649, 21569, 64707, 194121, 798053, 1143157, 2394159, 3429471, 7182477, 10288413, 42296809, 126890427, 380671281]

約数ペア:

[(1, 380671281), (3, 126890427), (9, 42296809), (37, 10288413), (53, 7182477), (111, 3429471), (159, 2394159), (333, 1143157), (477, 798053), (1961, 194121), (5883, 64707), (17649, 21569)]