289049955

素因数分解:

$3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{271}}^1\times {\mathrm{337}}^1$

素因数の和:827

約数の個数: 32

約数和(自身を含む): 467770368

約数和(自身を除く): 178720413

約数列:

[1, 3, 5, 15, 211, 271, 337, 633, 813, 1011, 1055, 1355, 1685, 3165, 4065, 5055, 57181, 71107, 91327, 171543, 213321, 273981, 285905, 355535, 456635, 857715, 1066605, 1369905, 19269997, 57809991, 96349985, 289049955]

約数ペア:

[(1, 289049955), (3, 96349985), (5, 57809991), (15, 19269997), (211, 1369905), (271, 1066605), (337, 857715), (633, 456635), (813, 355535), (1011, 285905), (1055, 273981), (1355, 213321), (1685, 171543), (3165, 91327), (4065, 71107), (5055, 57181)]